1495000 m E 1496000 m E 1497000 m E 1498000 m E 1499000 m E 1500000 m E 1501000 m E 1502000 m E 1503000 m E 1504000 m E 8°56'00" © Journal of Map - 2014 9°03'00" 213.30 419.49 446.25 483.15 475.10 377.00 376.62 C.se Musu 279.45 384.14 427.24 Riu Scala su 397.90 477.03 483.87 39°55'00" 384.02 35 48 414.55 488.68 515.01 39°55'00" 378.55 470.85 Q 424.60

360.07 394.02 397.37 435.17 Arrele 'e 438.86 466.95 445.26 416.15 Q MSV'

C. Deias CUCCURU FEUREDDA PRF 32 25 495.75 503.49 420.38 MSV' 550 MSV' K 18 392.80 MONTIGU ARATTU 474.55 471.70 28 44 345.75 sa 40 487.90 SVI’ 460.42 S' ORZIADA 12 450 553.89 376.72 A 395.00 GENNA OGGIASTU MSV' 8 28 44 Q GEOLOGICAL MAP OF LACONI-ASUNI AREA 28 Q C. Mura 400 484.50 457.15 Abba 31 14 I SU CROBU PELDA MORIGADURA 510.91 48 MSV' 44 Q 524.01 Riu 350 512.94 515.37 Com.le

V Riu 551.41 451.00 286.95 432.07 Q 44 38 C. Puddu 361.30 500.57 557.09 S Q 161.65 37 28

s' Ebba s' SVI’ 300 Riu 394.92 Strada 35 314.00 213.30 Frida 35 8 58 Istuno 552.95 PRF 331.29 BRUNCU LADU 18 (, ) C. Loi 479.13 524.55 32 565.72 Q 32 456.25 376.79 473.04 52 50 379.00 472.32 58 E 379.07 438.65 482.85 503.17 357.67 405.90 237.10 Q 402.80 275.78 MSV' 509.23 409.35 SU TOINU 14 Funtana 54 487.85 ZOZZORO PRF 455.94 ALLUIFOGU 62 Proccu Murgia Tiria 460.35 464.78 545.43 R Riu 20 SGA' V Q 42 56 1a 2b 1a MONTE CORTE CERBOS MSV' 554.79 32 A. Funedda M. Meloni A. Loi C. Cocco 8 14 46 434.73 42 476.60 VAS 42 56 C 399.55 Scala 450 429.58 4418000 m N 4418000 m N Q 615.70 594.06 1 - Dipartimento di Scienze Chimiche e Geologiche - University of , Via Trentino 51 Cagliari. su FIGUS NIEDDAS MASO CRA 447.57 Strada Q 228.45 NE 38 V 154.85 Q Riu 435.95 585.24 MSV'

Tesone 38 MSV' 515.45 450 445.54 490.95 371.40 MONTE PERDERA 2 - Dipartimento di Scienze della Natura e del Territorio - University of Sassari, Via Piandanna 4 Sassari. 325.25 405.05 464.15 263.70 317.95 333.95 339.25 342.90 416.60 400 327.55 SGA'a 8 378.48 417.30 475.55 535.89 569.49 433.60 456.85 447.70 459.19 42 536.31 28

250 16

200 Serbatoio Fraile 334.73 30 a: Mapping Supervisor; b: Geological mapping; Map compiled by Mattia Meloni and Antonio Funedda; design by Mattia Meloni. Vic.le SA SILIDA SERRA 550.80 MSV' SVI’ 632.91 475.95 Sillida SA MURTIXEDDA Riu 350 150 PRF Laconi-Asuni area MASONE MOLENTINU A1 405.78 496.67 SVI’ Riu s' Abba V SVI’ CAMPU ONU Q 350 42 SVI’ 32 426.85 SCALA 'E S'EBBA (N.E.) 12 Map projection: Gauss-Boaga Transverse conformal projection (Italian National System), Geo-datum: Rome 40 (Hayford spheroid);Vertical Datum: mean sea level. Post-Variscan cover 462.65 TIRIA SU FRAILE 305.30 32 ZIRIGULIS 600 250 38 54

300 12 417.96 Strada Q Strada Vic.le 400 424.26 Q 55 472.25 16 Riu SGA'a 8 409.56 35 Topographic base map from Technical Regional Cartography- Regione Autonoma della Sardegna ©. Late Paleozoic granitoids Aurras 489.35 V 255.80 44 s' Alida 32

458.30 423.90 473.73 55 550 su CRACCAONE 42450 a 397.10 417.30

Cagliari Murgia 391.35 406.48 Variscan metamorphic rocks 268.75 SCALA 'E S'EBBA (S.O.) 32 72 12 Q V 557.66 386.15 Fraile SEDD' ABRUZZO 166.15 'e Arrele GENNA 'E ARRELE 461.97 414.95 186.50 282.30 459.05 36 513.77 20 455.95 200 70 Longu V 531.69 42 Strada 426.71 386.53 535.82 0 50 Km 337.15 46 SGA'a 65 357.27 SERRA Pardu 32 593.29 C. Puddu 12 365.70 Genna 54 V 25 18 417.02 Q 415.93 63 SGA' 42 Zirigulis Q Murtixedda LEGEND SYMBOLOGY SCALA MASONE MOLENTINU 406.69 25 36 72 576.14 SGA'a 58 V 444.00 401.02 32 SVI’’ 8 PRF 488.05 DR MSV' 11 CARRAGGIU OES 447.20 144.95 MASONE PRF AXIU 35 Q 12 46 15 SVI’ Riu 33 Q Quaternary deposit: Alluvia l and colluvial deposit; (Holocene - Pleistocene) 45 Bedding attitude 18 465.10 555.00 26Proccu 46 Araxisi 58 27 414.10 26 150 52 CRESIA Q 43 MASONE CRESIA 427.30 Riu V CUCCURU MALUCCA 375.30 309.90 274.20 V Riu 12 SVI’ 414.67 C. Floris 411.94 492.00 42

285.80 47 54 18 Meloni s' Allusia 277.40 Q 34 BRUNCU DE SU BANDITU 30 Strumpu USS Formation: Polygenic continental conglomerates (Late Oligocene - Aquitanian) 405.15 401.89 528.54 565.36 45 Fold axis and axial plane foliation related the Variscan D1 phase 391.95 451.45 6 SGA'a 288.25 258.55 345.90 463.57 426.22 451.33 12 326.80 26 ACN 359.50 10 514.82 fp my SGA' 419.90 12 491.11 411.31 406.20 25 USS 383.95 22 Riu 465.67 451.30 PRF 536.03 12 SGA'' 143.05 527.91 V Tertiary volcanic rocks: Undifferentiated, calcalkaline, generally welded, pyroclastic 425.35 Riu 38 26 12 13 6 Q Q 440.35 8 V 472.4053 Stretching lineation related to Variscan D1 phase 12 452.95 8 fp Q SERRA PIXIONNEDDU flows (Late Oligocene - Early Miocene) 405.90 Laccheddus 52 14 18 Q 51 fp SGA'a N 15 30 11 Q 42 450 420.17 12 6 Casa 36 25 my Funtana 58 8 PRF 4417000 m N DOR Dorgali Formation: Dolostones, sandy dolostones and dolomitic limestones of littoral 4417000 m N PERDU O 12 ASU 14 40 307.35 82 386.46 45 Fold axis and axial plane foliation related to Variscan LD1 phase ORR 215.00 22 22 385.45 426.08 V to circalittoral environment (Middle - Late Jurassic) 135.45 295.15 395.95 ACN MARCIA 268.25 455.65 506.63

I 473.45 445.66 Q 329.45 72 414.74 400 12 22 142.55 298.05 441.81 28 525.60 SGA'' 347.15 Fornace Abbandonata 422.65 42 SVI’’ 15 fp313.75 44 375.15 fm 524.97 my 461.90 35 257.40 402.28 445.52 523.71 Gra GNS Genna Selole Formation: Conglomerates, quartz sandstones, siltstones, mudstones, ORR 38 64 500 Fold axis related to Variscan D2 phase ASU 374.95 22 T 498.64 MURTA CROBU 12 Miniera Abbandonata 434.60 432.85 236.55 400.81 Q 8 Com.le 437.61

alternating carbonaceous levels (Middle Jurassic) 18 my Q 450 ORR 450 28 MSV' 500 32 T V SA 12 Q my 22 N.ghe Genna Corte

fp Hydrothermal quartz dikes, Porphyritic microgranites and aplitic dykes 470.20 412.50 18 32 SGA'a 373.65 Moddizzis 410.36 27 38 Fold axis related to Variscan D3 phase 14 SVI’’ 396.10 10 55 Strada (? Late Carboniferus - Permian) 12 ORR 42 fp I

366.55 SGA' 76 S' ALLUSIA 8 Riu PRF 474.20 fp MONTIGU DE GUFFETTU Shear sense indicator in mylonite related to Variscan shortening phase, FORRU 32 Riu fm Mafic dykes,. andesitic to basaltic in composition (?Late Carboniferous - Permian) 197.30 32 8 15 T 24 SERRA SA BARRACCA 12 32 9 32 473.03 135.45 ORR 52 SGA'a 22 SGA'a ORGIASTU 456.37 arrow points to transport direction of the hangingwall 18 12 20 12 22 62 fp 45 ASU 284.10 395.80 306.55 425.42 472.19 fp 451.40 18 276.50 38 315.60 MSV' 44 ACN C. Marchese Manca 433.78 445.45 426.13 32 35 417.00 23 25 28 N.ghe Orrubiu 393.70 514.33 Gra Grey, equigranular, coarse-grained granodiorites in small outcrops 406.40 172.65 208.20 417.65 25 SVI’ 325.65 318.30 30 427.10 22 9 52 376.66 Q C. Fulghesu my Q (?Late Carboniferous - Permian) Axial plane trace of synform and antiform related to Variscan D1 phase, FAIS 25 8 32 402.24 18 SGA'' 22 BRUNCU SA MELA Funtana Genna Noxi 430.73 412.48 small arrow indicates the overturning direction MONTE MOLAS 42 429.05 349.65 256.65 48 18 316.80 V 18 PIRAS my 336.05 14 15 SGA' SGA'a 42 463.98 N.ghe Picciu 48 388.65 38 fp 246.30 8 400 Araxisi B1 8 ASU 10 22 DE IS Ovile Fulghesu 65 VARISCAN METAMORPHIC BASEMENT 54 SVI’ 4-32 Axial plane trace of synform and antiform related to Variscan LD1 phase, STUNNU 57 12 Q 48 35 fp 12 218.30 C. Loi 25 32 C.se Cau

15 32 SGA'a V 18 Riu small arrow indicates the overturning direction Settighe 450 SVI’ 15 Mylonite related to the Variscan shortening phases derived from quartz-feldspatic 8 156.75 38 C.se Barra 42 40 400 V Q 12 Uncoso my SVI’’ 48 395.19 ASU my Riu SGA' Strada Minde Orgiu369.45 protolite of unrecognizable stratigraphic unit, developed under lower greenschist facies 142.65 SGA'' 52SGA'a 415.02 V 18 my 15 406.60 38 451.11 380.58 10 186.85 18 445.70 434.70 40 463.81 ACN C. Floris 366.20 282.20 32 414.79 ORGIASTU426.76 CROBU35

Axial plane trace of synform and antiform related to Variscan D2 phase, 42 405.45 412.35 SGA'a 463.39 436.23 Com.le Maiori 224.70 DI 353.60 18 20 22 415.98 492.49 my Riu 18 Strada Meana Sardo Tectonic Unit 192.90 45 334.00 52 su Lotto 433.89 SU CANNISONE 6 Ortas ASU 250 Era 12 455.20 my small arrow indicates the overturning direction 232.90 PRF

28 Com.le 450 171.80 SA PALA 12 GRUMU ORGIASTU 386.36 C. Ladus 40 204.30 450 35 414.75 e sa 37 16 SEDDA SU BARONE my 8 400 350 MSV’ Monte Santa Vittoria Formation: Calc-alkaline andesitic metavolcanites, ORR 14 300 Strada 40 Q ACN 48 14 MSV’’ Strada 32 16 36 Q BRUNCU OMBROSU 11 14 metaepiclastites, metaconglomerates with volcanic matrix and metagraywackes 12 32 Masoni 500 Sedda Q 12 388.96 Q

Axial plane trace of synform and antiform related to Variscan D3 phase, 46 e' Arrele fp 500 506.70 Q 455.2072 Q 40 Riu Strada 12 SGA' 26 67 Q Genna C. Scalas 408.37 Q

(Middle - Late Ordovician) 16 48 18 Riu 400 Itzu 4416000 m N small arrow indicates the overturning direction 4416000 m N 174.70 186.85 16 ASU Vic.le 464.40 Q 413.23 PRF 341.60 Q Q 12

18 Q Q 15 8 SEDDA E SA ERA de Bernardo 48 8 450 304.00 ACN 15 6 394.70 522.24 26 SGA'' Strada GENNA PALAU 40 415.00

SVI’’ 404.07 433.48 550 SVI’ Arenarie di Formation: Quartzitic and micaceous metasandstones, 32 SGA'' Riu 473.05 453.92 Contact, observed and uncertain 22 Q SA SERRADEDDA 8 334.35 483.75 28 363.97 574.67

Q 258.70 MASONI ITZU 356.50 466.50 396.90 484.11 423.88 443.58 385.69 interbedded with metasiltstones. (Middle Cambrian - Early Ordovician) ASU 427.00 Pardu Com.le 367.00 357.65 MONTI Q 432.35 12 ASU 188.35 304.35 22 Funtana 32 363.95 MONTE MUSCAS

18 505.80 Q 8 600 10 58 26 SVI’’ PRF 14 Fault undefined, observed and uncertain 62 FEURREDU 72 BRUNCU CADIXIONE Gerrei Tectonic Unit - (Arcu de su Bentu Subunit) 254.75 18 CORTE NOA BRUNCU TIRIA 12 Riu 415.56 SGA' 379.32 4 200 274.60 15 24 380.60 SGA'a fp 154.75 22 32 Q 418.60 Mulimentu 551.29 Q Castello Medusa 38 SGA'a PRF 150 Eana Bau Eassi 22 250 su 32 a SGA’ “Scisti a Graptoliti” Formation: Carbonaceous metapelites bearing graptolites, Strike slip fault observed and uncertain Mitza Cannas CORONGIU PREIDI 32 SERRA MURTAS B MONTE BINGIAS 206.15 27 Q 14 Mindeorgiu 12 154.85 Q 47 fp 446.10 metasiltstones and black cherts; a) dark metalimestones and fossiliferous 42 10 SERRA OMUS V 24 473.66 295.95 16 43 Q NICOLA CANNAS Q 474.50 68 14 ASU 513.04 metalimestones (Silurian - Early Devonian) 42 446.28 38 383.55 Normal fault, observed and uncertain Ovile Sanna 408.20 465.36 23 20 I Riu my Q Q 28 416.47 525.60 28 ORR 419.76 42 438.44 46 C. Serra Omus 42 462.18 493.47 38 58 SGA'a 363.27 ORROERE SVI’

ACN Gray to green metapelites and metasiltstones Strada 282.12 MSV’’ 317.89 22 D 507.19 Argilloscisti di Riu Canoni Formation: Genna my Q 38 355.55 338.83 Q Q 462.39 SGA'a N.ghe Cannas 441.55 471.02 Q PRF (Late Ordovician) Main Variscan thrust, observed and uncertain ASU Predi 394.55 SGA’’ Riu Funtana Eana 394.36 16 SGA'' Corongiu 353.44 Q 312.24 492.36 42 36 V 368.23 I SGA'' Q 12 38 Q Riu ASU 490.38 Riu MGM Metarcose di Genna e Mesa Formation: Metarkoses and arkosic metagreywackes, 145.68 12 38 Secondary Variscan thrust, observed and uncertain 264.84 ASU 433.48 376.32 38 239.88 536.80 my 15 52 S quartzites and metaconglomerates (Late Ordovician) 202.44 56 46 544.04 38 ACN CONCA ZERFALIUS 15 ORR 14 42 25 fp Q 45 Cava di Pietra 300 ASU Q 8 MONTE PERDESU 50 Terrera ORR 22 ASU 504.24 413.73 68 S Mylonite on recognizable protolite ASU 80 412.92 12 Bidissariu PRF “Porfiroidi”: Calc-alkaline metapyroclastites rhyolitic-dacitic in composition with "augen" 305.01 45 Reale 18 14 Q 26 62 PUNTA MODIGHINA 12 55 Q 22 34 SERRA Cardizzu Strada 20 40 A structure and large phenocrysts of quartz anf k-feldspar (Middle - Late Ordovician) ORR 14 54 C. Palmas PERDA SGA'a 473.45 472.17 C. Fulghesu 318.16 SGA' 534.21 513.42 461.69 433.41 36 SGA' SGA' Riu 285.20 393.08 35 537.36 ORR 52 MSV’’ 24 366.89 IDDOCCA 54 416.28 R 512.79 32 14 42 366.51 20 533.86 Cataclasites on recognizable protolite SGA'' 12 30 C Q 594.63 CONCA 44 25 PRF ARTU I C.se Cossu Castello Medusa Tectonic Unit 25 433.16 37 V 425.14 fp SA CORTE BECCIA 237.20 Q my 214.23 65 ASU 12 15 55 SGA'a 76 470.04 35 U 513.12 550 313.64 8 Com.le Ovile Loria 28 524.48 253.64 28 416.36 455.13 Strada Strada 28 68 548.72 28 DANGIONE 33 12 38 Q ASU Marmi di Asuni: Marbles, dolomitic marbles, sometimes laminated with interlayered PUNTA CARUPISCIDU Funtanas Sinzilesu 42 33 Mine desposed Q O 35 SGA'a 12 phillytes (?Devonian) 78 ex Miniera 78 27 550 16 45 4415000 m N V SGA'' 16 CANAL 4415000 m N 253.68 40 123.30 C. Ambu 35 544.51

SGA'' 55 35 ACN 22 Riu 262.43 10-82 Ovile Secci 22 454.36 Monte A A1 46 S 18 526.96 375.51 BRUNCU CANNAS 44 367.35 577.32 SGA’’ “Scisti a Graptoliti” Formation: Carbonaceous metapelites, fine grained metasandstones, Cross-section V 12 ASU 55 PRF 602.75 MONTE CARDIZZU ASU 15 505.56 11 8 398.05 473.05 224.46 22 273.55 346.63 74 379.95 329.76 395.49 514.41 metasiltstones and rare levels of black cherts (?Silurian - ?Early Devonian) 12 SGA’’ SGA' 376.84 10 MSV’’ MSV’’ 526.24 44 28 542.90 ASU SGA'' SGA'' 33 22 42 14 306.80 40 304.17 SGA' 8 T ABBA SUERGIU 52 62 CUCCUALLA 18 ASU SVI’’ 463.60 55 ORR Orroeleddu Formation: Gray to greenish fine grained metasandstones, metapelites 62 58 443.46 Q PRF Com.le 38 PRF Marsana18 500 55 Ponte 24 15 25 45 Eassi 25 and metasiltstones (?Late Ordovician) Strada 456.80 Bau Eassi 604.78 490.25 ASU A 450 522.12 Riu fp my SVI’ 48 MSV’’ 22 25 550 Stereographic projection of Variscan structural elements Ovile Fenu 126.33 8 Q SGA'a 42 42 14 Com.le 233.28 401.97 fp SU ZURRU SVI’’ Stunu MSV’’ Monte Santa Vittoria Formation: Yellow to green intermediate metavolcanites and 38 500 52 66 52 547.30 221.13 275.32 26 32 (equiareal projection on lower emisphere) Vic.le 400 ASU ACN 28 PRF 581.68 Riu volcanic metagreywackes; rare, rhyolitic light coloured metavolcanites, from afiric to V 221.49 ORR 382.96 455.40 BRUNCU SORRIU 14 38 22 372.76 MASONE Funtanas 35 Bau 52 450 353.04 583.92 545.49 porphyritic for phenocrysts of quartz and plagioclase (?Middle - ?Late Ordovician) BINGIAS 16 U 32 54 299.17 425.55 556.60 32 227.55 ORR 52 ORR 62 285.94 403.23 435.88 ITZU Prov.le 305.04 58 425.59 214.37 CANALI 62 Q 28 42 15 533.74 400 35 610.10 RIO GRUPPA UNIT GERREI UNIT Q SGA'' 26 8 Q 6263.26 Riu MEANA SARDO UNIT PRANU ARGIOLAS 237.96 191.94 45 A SA 243.87 565.86 SVI’’ Arenarie di San Vito Formation: Grey to greenish, alternating quartzitic metasandstones 24 346.12 51 SERRA CORDULA Q 8 14 284.51 332.84 48 ALIXEDA and micaceous metasandstones, interbedded with metapelites Pranu 412.92 46 52 46 Strada my L 4 325.48 12 45 SERRADA 25 Q 132.18 10 65 32 PRF N.ghe Verra PERDA SU STINCU (?Middle Cambrian - ?Early Ordovician) N N N 334.76 65 MANNAmy 22 220.41 333.48 12 404.83 30 L MSV’’ 501.40 593.85 fp 22 22 677.08 V ASU 350 12 385.88 27 44 44 226.08 SCALA 342.69 MATTA MANNA 616.33 36 44 32 39°55' 39°55' N. 62 47 Q A 24 SVI’’ FUNTANA LUSCIA 38 35 ARGENTU SCHEMATIC TECTONIC MAP S. Daniele 170.82 22Riu 34-38 62 305.12 SGA' 12 42 Cuccualla 639.07 18

9°03' 51 356.20 Q 42 8°56' ASU ASU 183.42 405.50 48 599.38 48 295.84 58 SGA' Riu PRF 603.92 601.77 Monte Corte Cerbos Argiolas 38 337.81 RUINA 22 52 431.15 18 C. Sedda SGA'' 300 382.86 502.10 550.58 608.07 SGA’’ 416.45 fp 220.86 Samugheo 243.51 287.52 30 265.11 Q 18 475.85 28 8 Scala 'e S'ebba 14 250 230.76 361.58 Miniera di Florite e Piombo 326.20 SGA'a 38 Q USS 72 64 34 266.36 8 fp

Masone Molentinu 225.69 Q SGA'' 20034 264.36 CARIADROXIU Ovile Floris 28 275.84 14 500 Bianca 52 54 Com.le 205.99 Riu 36 PRF PRF 10 283.12 FUNTANA LUSCIA 280.00 Q 481.22 32 38 Bruncu de Su Banditu Asuni 174.99 Misturadroxiu 58 40 V 8 SVI’ 517.72 42 N.ghe Genna Corte TERRENISCA 33 Perda Funtana e Pei Q 4414000 m N D1 phase - axial palne foliation S1 4414000 m N ASU 76 my 608.01 266.48 46 546.34 237.84 12 ASU 50 MSV’’ 569.37 n=136 n=414 n=74 27 183.97 28 SERRA ENTRADA 12 14 365.42 57 468.22 172.42 261.60 478.55 212.38 22 314.43 58 PRF 477.60 22 372.85 58 678.07 Burdaga my 215.58 383.28 351.08 454.22 662.38 166.08 PERDEVA 47 CORONGIU 250 338.72 38 444.98 N N N 35 my 303.64 63 37 V PRF 14 PUZZU 200 24 12 42 484.85 45 SGA'' 28 ACN 446.24 Q Nuraghe S. Giovanni 239.55 35 BRUNCU SARTERO' Sedda e Sa Era 10 10 Riu Q Q 30 SGA'' 420.00 Q 22 8 Q 278.44 26 280.20 6 28 53

ACN 530.43 PERDABILA

291.45 Bau Adrussi Q FEURREDDA M 25 Castello Medusa 202.56 Leonesu 273.29 V ORRODOLOS 364.28 42 Q 24 Trematzu 279.53 MSV’’ 15 Genna 32 Punta Modighina 42 38 14 231.69 MASCHEGI my 28 22 SGA'' 33 Q 8 214.65 MGM 215.52 237.12 404.98 12 623.97 593.31 Monte Cardizzu 22 8 O Q 475.93 467.38 496.36 32 32 MGM 50 600 Q SGA'' 286.56 MGM V 414.08 557.82 12 C. Secci 60 SA SERRA E SA BARRACCA 263.96 10 52 12 SERRA E LUNA 12 25 453.20 8 607.66 Truinzali 290.54 my 415.40 550 16 253.40 277.52 466.08 32 PRF 386.24 376.83 450 PRF 500 ASUNI 30 Riu 28 BRUNCU CANDELAZZU Com.le 10 312.12 L Q 423.98 211.80 450 220.35 230.76 Q SGA'a 34 12 35 454.99 8 Q 58DE PASSERI 532.45 MINDE Piras 27 D1 phase - Stretching lineation L1 233.12 ASU 240.44 MGM 12 SGA'a 25 ACN 35 SGA' 12 40 271.02 42 25 SGA' 16 12 50 18 n=5 n=37 n=5 Arrubias 282.92 44 SGA'a 534.17 K 69 459.35 fp 35 Bruncu Candelazzu Q 25 O 35 Riu 483.88 GNS V 22 ACN 38 365.68 Q 48 Serra Nocili Ollasta EZZARA 28 28 56 413.30 12 8 N N Funtana 292.04 268.20 ACN 48 Q Riu N 239.63 442.92 ACN 430.61 Cuccumaxiu Acuzzu 8 CUCCUMAXIU ACUZZU 450 Reale 16 228.32 my 38 my 412.57 32 424.33 35 271.92 ACN 437.07 12 467.03 Asuni Strada 32 10 28 SGA' C ACN 15 45 644.88 46 364.10 28 PRF 22 Pranu 469.80 45 445.68 592.75 Asunis 271.91 36 230.96 18 55 254.76 V TRINTEOS 500 385.86 50 36 501.68

SGA'a 12 475.85 64 Feuredda 450 Bau e Codas 10 475.08 260.88 ACN 18 64 18 12 fp 239.40 366.76 475.76 485.30 SGA'a 35 PRF C. Secci 350 Senis Q 288.38 BRUNCU CORTEUMBROSA 42 372.00 R 414.92 Sassu 12 243.63 32 SGA'a 32 42 V SGA' Q 40 44 16 236.75 Com.le MGM 300 C. Funtana Seddai 12 22 36 SGA' SOLIONE Prov.le 12 48 DOR

402.04 4413000 m N 4413000 m N Q Q 18 SERRA NOCILI Q Riu GENNA FENUGUBau ACN 206.52 27 MGM U 195.32 18 403.82 420.42 706.20 Strada 30 38 48 my 62 619.47 649.43 15 CUCCUMAXIU LADU 384.08 367.45 396.82 PAULI 350 CANALI Monte Perdosu Laconi C. di Bela 42 333.36 30 287.93 Q 200.99 Q SGA'a GENNA SA PINNA 405.29 445.19 35 307.60 442.96 365.24 30 28 437.98 359.83 Strada 300 48 268.92 12 60 12 257.34 30 38 SGA'a 52 572.71 GNS D2 phase - Fold axis ACN PRF 8 n=70 n=99 n=6 18 431.52 453.01 482.27 12 30 MGM 64 533.09 Q SGA'' 212.49 40024 313.64 16 385.92 PRF 26 34 18 ACN fp 255.32 20 36 fp 8 N N N ASU Q U 14 27 423.75 58 48 Strada 233.34 12 11 411.61 fp Fulghesu ARRIU 254.25 28 18 K 68 DOR 186.11 Q A Riu 250 Luna 346.04 20 SGA' 225.33 384.01 12 668.75 PERDIXI 202.95 32 604.63 Q s' Ebba 12 MGM S 46 28 6 12 181.61 250 243.57 386.29 s' Orroa 304.32 10 22 42 16 C. Carbone Boi NUXI 78

252.42 SGA'a 12 V Serra 323.44 387.44 28 SGA'a 6 Q 357.96 393.60 328.36 383.94 68 MGM 38 32 566.43 22 373.44 378.20 SGA'a 14 38 22 12 358.14 396.86 456.03 563.67 Vic.le N 12 28 Q 636.51 36 SGA'a 30 14 Strada S. Daniele GNS 9°03' 254.46 8 8°56' 0 m 1000 m 2000 m 20 42 12 15 513.63 39°50' 25 16 459.81 39°50' 301.56 16 257.00 76 SGA'a MONTE MACCIACCIU 10 182.40 35 28 25 Q 195.51 Funtana Ingia Strada 387.96 42 Axial plane trace related to Variscan D1 phase PIRAS ARRUBIAS N 62 Meana Sardo Unit Post-Variscan covers SGA'a MGM Strada fp 254.10 Genna 45 45 10 44 ONIGA Q Stazione Axial plane trace related to Variscan LD1 phase TURREDDA Biasenis Q 367.56 SGA'a 18 SGA'a 32 45 Q 205.14 42 8

Gerrei Unit Main Variscan Thrust 257.64 252.48 18 32 6 18 35 350 Axial plane trace related to Variscan D2 phase Strada Com.le 354.82 22 177.78 Ovile Dore O 30 BARRILI Q 15 Main Fault 248.49 30 22 25 S. Daniele 375.26 8 408.84 V e' Arrele 369.73 fp Riu Gruppa Unit D3 phase - Fold axis n=8 n=37 n=4 352.79 18 16 574.89 Axial plane trace related to Variscan D3 phase 27 Pirastuera 28 Riu 237.33 SA CONCA SERIXI 47 343.65 Com.le S. Daniele

20 ACN 325.98 SA SERRA S' ORROA S' EBBA 400 14 42 16 SGA'a 376.11 V L s' Abba Salida 20 442.83 Q 228.51 Q Bau 434.13 18 05’ 05’ 224.34 30 25 9° Dominariu Masone Sinnara 8° 40° M.Genziana 40° ACN 58 26 286.64 a Neoneli 42 SGA' 12 20 433.89 44 562.53

43’ 327.98 43’ VARISCAN BASEMENT SCHEMATIC MAP Talana 176.85 45 308.23 55 Prov.le 354.84 SGA' SGA'a 32 ACN 48 CORONGIU 25 23 SGA'a BARTASI 36 SGA'a 500 273.69 314.48 367.56 436.63 K 67 L 386.20 SGA'a Q Busachi P. Mungianeddu 28 385.48 Riu 18 Leone V 45 Riu V fp R: Mannu MANDROLISAISorgono BR. Spina ASU 12 BRUNCU PRUNIERISTI 46 Tonara Baunei 240.24 334.70 38 32 22 Q Bauladu Desulo 400 251.19 28 FUNTANA 4412000 m N Riu 4412000 m N SGA'a 35 50 22 ACN 436.05 my M. Olinie Sinnarai 22 R. Pramaera MEANA SARDO UNIT Asuni 327.47 22 18 432.93 437.55 Fordongianus F.Tirso CUCCURU MANDAREDDU E PIRA 450.93 518.67 Atzara P. La Marmora 300 18 619.23 22 SERRA 361.28 BRUNCU SUIDOSTRU 22 Q 553.83 325.40 12 342.10 SGA' 275.82 34 Bau Cadeddada 40 42 235.49 47 Funtana s' Orroa s' Ebba MGM 54 Biagadda 362.10

Q 250 380.80 232.54 Riu Riu 12 Masone 313.94 12 395.72 C. Piacenza Villagrande R. Sa Teula 12 Pardu 21 MSV’ 200 SGA' 407.72 BRUNCU PALAERAS 45 534.45 BARBAGIA DI BELVÌ Villanova 15 MGM 334.26 283.32 35 Castello Belvì Lotzorai 35 34 SGA' Funtana Ortigiana SERRA SA PIODADI 551.42 Solarussa F. Tirso Aritzo P. Funtana Cungiada L. Bau MuggerisStrisaili 233.13 Funtana 28 416.44 V PIXINA Q Canale 47 Q E.N.E.L. Samugheo SEUREDDU ORROERE SGA'a 62 SGA'a 22 M. Grighini Meana Sardo 100 261.18 CANALE 396.14 47 20 R: Mannu SVI’’ Q 362.04 18 Codina 8 400 226.56 Orroere Vic.le 225.69 my 8 40 40 Grotta Serratzariu 499.95 Q 234.56 12 310.80 369.50 SGA'a

M. Idolo Tortolì 234.15 50 MGM 15 530.31 539.43 R. Araxisi Vic.le PRF 366.76 M. Sa Scova 280.41 Nureci 474.39 Simaxis 1241 m 0 m 226.12 Arrubias 405.64 45 52 Ovile Cabras Strada 32 22 411.04 F. Flumendosa Q 38 372.36 Strada 27 505.95 Gadoni M. Perda Liana 268.71 21 27 18 Ruinas M. Corte cerbos Arzana 223.83 305.08 SGA' 14 K 66 443.01 232.12 275.67 42 ACN 374.02 395.97 V 400 356.74 ACN MGM 16 SINZINNEGU 363.50 408.04 M. Perdedu Turredda 443.40 Longu 507.39 Villaurbana 241.53 PARDU ACN 48 SGA'a P. Margiani Pubuisa 231.04 28 28 38 363.86 7 SGA'a C. Putzu SGA'a CAMPIDANO

222.56 Piras Lanusei 495.51 Palmas 238.95 391.48 Q 74 72 343.60 SGA'a Arborea 25 58 Funtana Codina 390.02 GEDILIS 485.01 Asuni 279.52 343.28 SGA' Q P. Tricoli 359.54 MONTE FEURREDU

395.24 35 442 LACONI Riu Strada Leonesu 38 Laconi 10 362.12 327.86 27 Q BARBAGIA DI SEULO 234.49 PRF 362.92 Q Study area Gairo 286.68 MONTE PERDOSU SGA' 32 M. Coromeddus 262.76 SGA' 501.09 Q 273.52 20 R. S. Girolamo Serra Orroli Barì Sardo 232.98 43 366.52 22 37 426.81 508.53 R. Pardu Q ASU 500 407.40 35 395.61 F. Flumendosa 28 SGA'a Bau Ponte Nixi V 487.17 Sadali GERREI UNIT 38 32 343.88 SARCIDANO Ussassai SERR' EOLIA 233.22 22 ACN 337.68 324.90 a C. Scalas 356.10 415.71 F. Pelau 342.56 R. Nuluttu 271.18 Dominariu Cirquittus S.S. N. CUCCURU E MONTE M. Arquerì 400 297.83 32 394.92 V Q B ACN PARDU360.84 Jerzu 283.47 405.32 14 374.72 352.56 C. Dessi Quaternary Deposits Cardedu 18 40 SA MUCCU Mura Carta 317.24 SERRA SA PIODADI 62 SGA’ 300 PRANU MURDEGU 399.10 292.13 38 323.24 12 52 4411000 m N Giara di 257.96 ORR 25 52 294.96 SGA'a 4411000 m N PRANU CADUCIU 261.85 42 Strada PERDUCCIA 65 M. Santa Vittoria M. Arista 36 Funtana Cardigas Q 488.73 Oligo-Miocene volcano-sedimentary succession P.ta Corongiu 266.68 261.61 V 42 SGA' ACN 288.80 SGA' ASU I Q 442.17 200 Strada MGM Canale Strada 25 Appiu Riu 14 323.94 15 266.20 370.40 28 398.02 373.7762 Canalettu Q 253.59 18 425.61 Mesozoic Succession M. Zepparedda V 52 V 407.73 437.61 28 Q Funtana I L Q MGM Q SGA' 350.30 386.50 470.91 382.64 100 325.95 335.60 Gesturi M. Arbu 272.52 47 PRF fp

Permian and Carboniferous L. Maxia M. Ferru Vic.le SGA'a Strada Paladinu Vic.le A 22 F. Flumineddu Q 254.91 72 V 375.80 22 24 SGA'a Volcano-Sedimentary Succession M. Trempu PRF Mortu 345.42 SGA' 22 N SGA'a Q Sarda Q 277.72 374.28 338.96 0 m Murera 24 A 30 MONTE FENUGU 299.80 S 46 Late Paleozoic magmatic complex M. Sa Colla Tertenia 275.45 PALADINU MGM 318.08 38 45 14 343.07 275.37 Marabiccu Vic.le Gra 25 42 32 Vic.le 22 Orroli 12 23 I Q PRANU PIRASTU 251.31 L Q SGA' M. Carrogas 274.50 su 370.62 32 FRUMANI Centrale 30 371.32 Campu 400.48 42 SGA'a 411.45 505.17 VARISCAN METAMORPHIC BASEMENT Perdasdefogu 370.28 Longu Pardu rele e 33 60 Perdoseddu E 342.82 40 Funtana Tradalla

R 54 368.01 Scala Prov.le 48 300 285.39 A i 374.77 304.80 MARABICCU Q M u 435.27 287.76 315.26 285.14 35 12 Barbagia Tectonic Unit M 338.00 342.02 Serra de 397.83 563.07 u 374.89 my 344.86 l 275.58 42 ar TYRRHENIAN SEA SA TIDONGIA 283.02 372.58 g 28 C Q 62

R. Mannu ia 439.41 Q

s' Arriu s' A Genna PRF 259.40 U 316.44 350 ASU Riu Piras Sarrabus Tectonic Unit T PARDU DE CRESIA Flumini Strada GENNA 'E . 275.33 PRF 284.10 Sarestis 50 Q 265.26 SU PERDOSEDDU S 41 u 334.32 370.72 322.26 385.93 289.01 N 331.48 N. 12840 i Q L. Mulargia r Gra 342.61 r MASONI BECCIU 364.00 302.34 Meana Sardo Tectonic Unit a 368.29 261.64 PLANU ARRANAS 321.99 Vic.le 282.75 Funtana Sunelli L 315.12 392.64 303.90 I I Com.le 33 SGA' 365.76 335.34 350 300 347.50 51

Ozadas 277.96 PUNTA PEDRABA Asuni Canale Q 386.80 Mesu Siurgus 500 305.10 274.15 361.04 PARDU LONGU TRADALLA Gerrei Tectonic Unit 272.10 266.40 Q 314.76 30 447.57 Donigala 304.62 Dominariu D C 354.81 36 386.91 68 RIO GRUPPA UNIT 373.62 365.70 F Donnariu Marchese Laconi 279.00 Mortu 363.85 325.72 336.58 408.57 Caradore 312.90 Strada Arcu de Su Bentu Tectonic Subunit 342.84 SGA' 301.48 289.05 383.49 400 318.60 344.14 288.48 S V V Q 322.70 62 454.83 Nureci 276.67 V R C. Piacenza 38 M. Cardiga Riu M. Turri SGA' 365.90 325.84 ASU Strada 276.40 290.88 I Ovile Pittau Q PRF 544.35 Monte Lora Tectonic Subunit 341.10 292.74 357.99 S.S. M. 442 SERRA LATTARUSI Uras 323.82 344.52 323.34 35 414.38 V Riu 300 373.38 312.86 E 42 347.76 318.32 SGA’’ 296.64 304.62 396.48 373.56 V 321.99 295.58 V 56 360.48 Mannu 48 Riu Gruppa Tectonic Unit Bia 334.50 ASU U P Laconi PRF Senorbì 32 400 38 310.60 di ORR 325.92 N 368.20 4410000 m N 298.36 400 395.70 P e Q 200 4410000 m N 294.00 366.32 42 415.23 MSV’’ 411.99 300.64 395.79 Gra V 318.52 SEDDA DE MESU 473.19 516.03 s' Alaverru 386.85 Monte Grighini Tectonic Unit NW NE C. Manca 350 36 MONTE BIARENA 30 P M. Fenu 299.71 377.31 315.00 341.92 Q 346.47 MARTINGIANA 291.80 321.70 32 PRF F. Flumendosa Biarena 373.92 V 100 336.48 365.52 354.18 PRANU TELAS 282.80 376.39 380.92

Capo San SVI’’ 413.70 335.98 V 362.91 Axial plane trace related to Variscan D1 phase Arcu de su Bentu Com.le Serrenti W E 300 304.42 34 316.66 San Nicolò Lorenzo 326.28 386.82 334.24 62 Pimentel Gerrei Vic.le M CANALI MARGIANI Axial plane trace related to Variscan LD1 phase 366.00 PRF Sant’Andrea Frius 0 m 333.38 337.55 V 313.04 M. Lora SE 397.96 311.09 Riu 297.88 309.90 SW 378.06 299.36 295.44

Q 297.36 Vic.le Axial plane trace related to Variscan D3 phase Vic.le Q A PEDRABA PRF S.S. Villagreca Strada Q S 344.08 371.16 V 428.33 Ovili Pitzu Axial plane trace related to Flumendosa Antiform Vic.le 332.16 336.61 42 324.00 345.72 372.99 C. S. Lussurgiu Lussurgiu San Vito 387.66 Perda 324.99 292.02 Morgiani Porto Q 294.76 355.59 423.45

301.68 355.80 C 312.66

Strada 366.89 424.91 516.03 Comperu 366.39 377.07 Main Variscan Thrust Corallo Santu 296.32 Canale 384.18 401.02 321.93 318.80 298.82 322.70 12 487.47 F. Flumendosa SCALE 1:12.500 PALA SA CERESIA 304.54 V 364.41 297.12 347.70 Maiore 383.71 307.23 Strada Ponte Nuovo C. Manca Main normal Fault Strada 297.56 V Q M. Genis Genn’Argiolas 412.08 308.67 C. Canali Margiani 9° 8 M. Acutzu 352.86 RIU MORTU 355.83

° Strada 43’ 43’ GNS Undefined Fault 0 km 10 km 20 km 39°50'00" 0 m 500 m 1000 m 1500 m 2000 m GRAVA 39°24’ 39°24’ 402.99 377.30 Q 39°50'00" ROIA SENZU PRANU FEURRA 332.10 369.85 298.45 324.80 Cava d' Argilla 302.76 366.04 399.52

from 1495000 m E Numbered lines indicate the 1 km 1496000 m E 1497000 m E 1498000 m E 1499000 m E 1500000 m E 1501000 m E 1502000 m E 1503000 m E 1504000 m E Universal Transverse Mercator Grid, Zone 32S. U.T.M (ED 50).

EAST

8°56'00"

Greenwich Costa Ualla Abba Suergiu 9°03'00" Punta Modighina 800 800 Sa Sedda e Sa Era 800 800 Riu Laccheddus Masone Cresia Canale Orroere Corte Noa N.ghe Picciu B1 A Misturadroxiu B Monte Perdosu Sa Serra e S’Orroa A1 700 700 my 700 700 e S’Ebba Rio Leonesu Bruncu e Corteumbrosa MSV’’ MSV’’ ACN ACN SVI’ NE 600 600 SW ORR NE 600 600 SW Ruina Argentu SGA’ SVI’ SGA’ ACN MGM SVI’ ASU PRF Cuccumaxiu Ladu ACN SGA’ PFR 500 500 SGA’ 500 500 ACN PRF ACN SGA’’ ORR my SGA’a SGA’a SVI’ my PRF SGA’a PFR SGA’ SGA’a ASU SGA’a fp ACN PFR PFR 400 400 PRF 400 400 PRF MGM PFR SVI’ MGM ORR my SGA’ SGA’a SGA’a SGA’ SGA’ SGA’ SGA’ my my MSV’’ ASU SGA’ PFR ACN 300 300 ACN my SVI’’ SGA’ 300 300 ORR ASU ACN my ACN ORR my ACN ACN MGM SGA’’ ASU ACN ACN ACN my ACN 200 200 SGA’’ MSV’’ my my ACN SGA’ 200 200 SGA’ ACN MGM ACN SVI’’ my ORR SVI’’ ASU my SGA’’ SVI’’ SGA’’ SGA’’ my MGM MSV’’ SGA’ my Gra my my 100 ACN ORR my 100 ASU ORR my my 100 100 MGM ACN my ASU my my 0 m 0 m 0 m Gra ASU my 0 m SGA’’ my my ORR ORR SGA’’ ASU my ORR ORR SVI’’