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16° 18° 20° 22° 24° 26° 28° 30° 32° D O I SEDIMENTARY AND VOLCANIC ROCKS INTRUSIVE ROCKS N A R a O R E E E P M

. Z I M B A B W E u

C Sand, gravel, I SANDVELD (%s); Q %-s O 1.8 alluvium, colluvium,

Z BREDASDORP (%b); y calcrete, silcrete Text r %k

O KALAHARI

a ALGOA (%a); i N t r

E MAPUTALAND (%m) e

C T SIMPLIFIED GEOLOGICAL MAP 65 . t (J-Ku); ZULULAND (Kz); SUTHERLAND (Ksu); e r

C Malvernia (Kml); Mzamba, Mboyti & Mngazana (K1) KOEGEL FONTEIN (Kk) 22° 145 *-J c 22° C i I

s (Jdr); LEBOMBO (Jl); DOLERITE (J-d); KOMATIPOORT (Jk); O s OF Z a SUURBERG (Js); BUMBENI (Jb) Tshokwane Granophyre (Jts)

r P-* O u S J Z2 E 200 Molteno, Elliot, Clarens, Ntabeni, Nyoka *-J c M i Z2 Kml s Zme Z4 V4 Jl s C T I

a *-J i

R V4 O r O *t THE REPUBLIC OF SOUTH O T

Z P-* O F

O Zme P-* 250 R Z2 U R

A V4 A

E !-d K P-* E

n Adelaide Pa N a B i A !s Kml m H

r !s P e AND ECCA Pe *-J P Z2 P-* *-J Jl C 300 *-J I DWYKA C-Pd s

O P-* !-d u

Z !s o !s r

O !bl e R4 Zgh f E i THE KINGDOMS OF LESOTHO AND SWAZILAND n A Msikaba Dm D-Cw o L Louis V4 !4 b A r E

P Zba

a & ti

P V4

C Zba V-sy Vsc

A BOKKEVELD Db Jl -

Z2 C

n R4 !w a

i Zba r Z1 Zgi M b NATAL On TABLE MOUNTAIN O-Dt Vkd m a !-d

C CAPE GRANITE (N-"c);

2008 KLIPHEUWEL "k !4 Vr 545 NAMA (N-"n); KUBOOS-BREMEN (N-"k); P-* *-J Zgh &ti VANRHYNSDORP (N-"v); Gabbro-monzonite ("y) Zgh Vle O CANGO CAVES, C-Pd Vro R4 KANSA (N-"ck) MALMESBURY (Nm); N KAAIMANS (Nk); GAMTOOS (Nga) Zp Zp Zgh A Ellisras I R4

B I !w Zg Z M GARIEP Ng 1:2 000 000 &6 A N

Vle 50 0 50 100 150 200 250 300 Kilometers Zgh Nr RICHTERSVELD Ngn GANNAKOURIEP R5 R4 &ti Zg Jts A R4 1000 Vph Timbavati Gabbro ( & t i) !-d Vr

Phalaborwa Rwo Sabie Sands Granophyre ( & s s ) Vra Zp V1 Zg !w Z1 !w HLOBANE, MACALA, MAMBULU, Vp Zg M 24° &8 !-d 24° MLALAZI, SITHILO & TUGELA RAND Projection: Albers Equal Area Vra Central meridian: 24° E R3

Z4 &o ORIBI GORGE Standard parallels: 20° S ; 30° S Vr Vp Jl Z4 B KORAS &k !3 !-d Jl & ti

&s Thabazimbi SPEKTAKEL Undifferentiated Rb Vro

n &7 a Namaquan granitoids, Z5 Rwo I u Rv J-d Z1

q LITTLE minor basic intrusions R3 Z1 Z4

&l Vro a Rkn Vra m Vra

a Vp *-J *-J !w P-* N V1 Vr Vp Q V5 &ke Vle

N R3 ( & p ); Vr &6 Vle A

I B O T S W A N A !w & ti

C MFONGOSI, TUGELA, L Rwc &p Jts

I PIENAARS RIVER ( r); &4 &3 Jl

O V5 O NTINGWE, MAPUMULO, WILGENHOUTSDRIF, AREACHAP V5 P-*

SPITSKOP, GLENOVER, &6 V1 U K Z MZIMKULU O O KRUIDFONTEIN, &ss &6 &6 M R NOOITGEDACHT, Vp V5

E Sout River, KORANNALAND &2 Vp V1 T Undifferentiated TWEERIVIER, GOUDINI, R3 Vro Zne Rde O & p Vle &5 BUFFELSKRAAL ( & 6 ) Rwc J-d R Namaquan &6 P-* E P HARTBEES RIVER, gneisses V3 Rbp Vr &1 V1 & ti BRAKWATER METAMORPHIC, Sandnoute Pe Vra 1600 ARRIBEES, DROËBOOM, GRAPPIES, DE KRUIS, Vp Zne Kameelputs, Brulkolk, Soutputs, Geselskapbank, !2 Vro Vle Vro Moddergat Gneiss, Poliesberg, Jacomyns Pan Rkn %k V5 Jk R3 Vra !-d Nelspruit V5 & pr Pe n BUSHMANLAND !b !-d Kheisian diabase !-d

a R3 i Vr R3 s i !w Vro e C-Pd Vra Rgo h Zk Vp C-Pd Jl

K BRULPAN, VAALKOPPIES, Kaboom, Spioenkop !1 Zb STALHOEK, HOOGOOR, Z4 *-J (!5); %k Zk Vp V3 V5 VIOOLSDRIF, GLADKOP Z4 V5 V5 OLIFANTSHOEK (¢o); (!s); Palala & Entabeni Granites (!4); DWARSFONTEIN, LOSBERG, Mafikeng V1 !3 V2 !-d Barberton (¢or) WATERBERG (!w); Blouberg (!bl) KORINGKOPPIES Z4 Vp Vro Z1 2050 Vra Koedoesrand (Vkd); Glentig, Z5 Vle LEBOWA GRANITE (Vph); V3 Rust de Winter, Loskop (V3) SCHIEL (Vsc); Zmz JohannesbuZ1rg !3 Jts Syenite (V-sy) R5 C-Pd D Zb L V5 Z4 E Pe V R1 26°

H %k Vr RUSTENBURG LAYERED Rv Z4 Pe J-d 26° S U N Zk V1 B A

I Zk

L Zmz

A R3 Z4 A J-d V ROOIBERG Vro Vra RASHOOP GRANOPHYRE Mbabane !3 Rv Z4 R5 V1 Ermelo Z3

L Vp R1 R1 A RIETFONTEIN, ROODEKRAAL, N-"n P-* A Vpo SCHURWEDRAAI (Vsu); PRETORIA Vp V5 !o R2 V Vaalian diabase, gabbro Bulai, Alldays & Malala Drift !o

S V1 J-d 2500 Rv N Gneisses, Palmietfontein J-d R1 Rv A GHAAP, Vryburg V2 CHUNIESPOORT, Black Reef V1 R Granite (V4) %k Pe C-Pd C-Pd V5 Rv *-J T SWAZILAND Vsu Z3 2650 R3 (Rwo); GODWAN (Rgo); Pe BLOEMPOORT (Rbp); BUFFELSFONTEIN (Rb); R4 Late Randian biotite granites Vryburg R3 Z4 R1 J-d R5 Wachteenbeetje (Rwc) Standerton Z4 N

A Vredefort

I Z4

N VENTERSDORP (Rv); Kanye (Rkn); V2 Rv D Z1 R2 Kz A Pe N Zeekoebaart (Rz); Dennilton (Rde)

E Jl A Skalkseput Granite (Rss); USUSHWANA, Randian basic, Pe

A R5 R Z1 %m H other Randian granites (R3) ultrabasic & alkaline rocks DOMINION, (R1); %-s C %m R PONGOLA, Amsterdam (R2); (Rmy) %k Z4 Pe A !o J-d R3 3100 Rv NELSPRUIT (Zne); Mpuluzi J-d Pe J-d Z1 C-Pd

N BARBERTON (Zb); GRAVELOTTE (Zg); Granite (Zmz); Goudplaats- *-J A Rv I (Zgi); PIETERSBURG (Zp); Hout River Gneiss (Zgh); J-d V2 Z other granitoids (Z4) MESSINA (Zme); ROODEKRANS, %k Zk Vp A (Zba); Kuruman MULDERSDRIF, MODIPE (Z5) W MOUNT DOWE, GUMBU (Z2); KRAAIPAN (Zk); Pa P-* S Ngwane Gneiss, other early R4 other Swazian supracrustal rocks (Z1) Z3 R2 Swazian gneisses J-d %m Rv J-d Kz %-s Rank indicated as follows: SUPERGROUP, GROUP, Subgroup, Formation, COMPLEX, SUITE, other units C-Pd R2 !o Pa *-J C-Pd Pe Pa Pe Vryheid Jl %m Lithostratigraphic boundaries International Pa Jb J-d *t Jb J-d *-J Faults (including thrusts and shear zones) Provincial border !1 V2 C-Pd N-"n & k %k C-Pd R3 !or & ke J-d 28° V2 Z1 28° Harrismith Pe & k Z4 !1 R2 Ngn %k *-J Pa %m !5 C-Pd Vpo & 3 Pe & 2 & 5 & 3 Rv N A M I B I A & 5 & 1 & 5 Pe & 7 !o Kimberley J-d N-"k V2 Jl J-d Jdr Nr !2 On & ke R2 Z4 C-Pd Z4 Pa %-s C-Pd %-s Z1 *-J N-"n Z1 !or *-J %-s & 5 !or Pa &8 Ng & 7 Richards Bay !b !5 & 2 & 3 & 4 %m !5 J-d &8 !b !1 J-d Jdr Pe J-d *t & ke & ke !5 Pofadder !2 Rz & 7 %-s & 1

&7 Vpo &7 R3 Rv C-Pd & 7 Z4 & ke & ke & ke Rss J-d & l & l !2 !2 V2 Pa *t !-d & o Pe Pe !2 !5 C-Pd & ke C-Pd L E S O T H O !b !b & 7 & 1 %k Maseru On & l %k DOMINANT LITHOLOGY(-IES) N-"n !2 & s & 4 %m & 7 %-s EXPLANATORY NOTES !5 & o Pe C-Pd Diamictite & o Porphyritic granite, charnockite & ke Rmy !1 %a , limestone, conglomerate & Nepheline syenite, syenite, volcanic rocks Rv C-Pd This simplified geological map is based on the digital data of the p %-s Pa !b Pe V2 published 1:1 000 000-scale geological map of the Republic of & l C-Pd %b Limestone, sandstone, conglomerate & pr Syenite, nepheline syenite, volcanic rocks Pe !b & s and the Kingdoms of Lesotho and Swaziland (Council %k Sand/sandstone, gravel, clay & s Gneissose leucogranites & 7 for Geoscience, 1997). Lithostratigraphic attributes have been Rss Pa %m !5 updated in places, where applicable, and have been assembled %m Sand, limestone, conglomerate & ss Granophyric quartz gabbro %k %-s & l C-Pd into larger groupings appropriate to the scale of this compilation. J-d Pe Jdr *t %s Sand/sandstone, limestone, gravel & ti Gabbro J-d All the original lithostratigraphic boundaries of the 1:1 000 000- %-s Sand, alluvium, calcrete On Sandstone On scale map have, however, been retained for the benefit of those 30° 30° who might require more detail in certain areas; a copy of the J-d *-J "k Conglomerate, sandstone, mudrock O-Dt Quartzitic sandstone Pa Pe & l Pe 1:1 000 000-scale map will obviously be needed to provide the *t *-J "y Diorite, gabbro Pa Mudrock, sandstone Pe %k names of those strati-graphic units which are no longer shown separately on this map. Db Mudrock, sandstone Pe , sandstone !b &4 C-Pd Pe & o On Dm Sandstone P-* Mudrock, sandstone !b J-d & 7 Since the 1:1 000 000-scale map was last revised in 1997, the Pe & s most recent mapping is not reflected here. This problem is only D-Cw Quartzitic sandstone, mudrock R1 Quartzite, , shale, conglomerate J-d really significant as far as the Namaqua-Natal Metamorphic Jb Volcanic rocks, clastic sediments, syenite R2 Volcanic rocks, shale, quartzite !5 Province west of 20°E is concerned, where extensive remapping Pa C-Pd Port Shepstone has taken place in the past decade. The results are still in the J-d Dolerite R3 Granite, tonalite Pe process of being compiled and printed on 1:250 000-scale maps. %-s %-s Jdr Jdr Basaltic lava R4 Biotite granite As far as the stratigraphy of the rest of the country is concerned, N-"v Carnarvon Jk Gabbro R5 Gabbro, dolerite, syenite, ultrabasic rocks Kk !b not much has changed since 1997, although the geology west of & l !b Pe Pa Musina (in the Central Zone of the Belt) as shown on this Jl Basalt, rhyolite Rb Rhyolite, sandstone, basaltic lava N-"v %m Jdr map does take into account certain recent developments. Js Basaltic lava, tuff, volcanic breccia Rbp Mudrock, quartzite, carbonate rocks, andesite !2 J-d & s K1 J-d The only structural data retained from the 1:1 000 000-scale map Jts Granophyre Rde Rhyolite !b *t *-J *-J Dm Pa are the faults, since these often form the boundaries between J-Ku Mudrock, sandstone, conglomerate Rgo Quartzite, andesitic lava, tuff, shale & l C-Pd different stratigraphic units. The main towns, provincial boundaries J-d K1 Conglomerate, sandstone, mudrock, limestone Rkn Rhyolite, dacite, andesite and dams are also shown, but all other geographic features have & l C-Pd K1 been omitted in order to keep the map clear of unnecessary detail. Kk Granite, basalt Rmy Metabasalt, amphibolite, iron-formation, conglomerate Vanrhynsdorp J-d As has now become traditional on compilations of this kind, the Kml Conglomerate, sandstone Rss Biotite-muscovite granite %-s Umtata Pe C-Pd geological features of Lesotho and Swaziland are included, since Ksu Pyroclastic rocks, trachyte, carbonatite Rv Basalt, andesite, porphyry, tuff, clastic sediments Ng *t omitting these would significantly reduce the usefulness of the map; Pa K1 Pa appropriate acknowledgement is given on the 1:1 000 000-scale Kz Siltstone, sandstone Rwc Mudrock, quartzite, rudite/diamictite O-Dt Db map from which this one is derived. !1 Quartzite, schist Rwo Shale, arenite, basalt, conglomerate Queenstown

!2 Gneiss, calc-silicate rocks, amphibolite Rz Andesite, dacite, tuff J-d !3 Pyroxenite, harzburgite, dunite, gabbro *-J Mudstone, sandstone %-s KEY TO PROVINCES !4 Biotite and muscovite-biotite granite *t Sandstone, mudstone *t Pa C-Pd J-d Graaff-Reinet 16° 18° 20° 22° 24° 26° 28° 30° 32° !5 Gneiss, granodiorite, adamellite V1 Dolomite, iron-formation, chert, quartzite (base) J-d 32° 32° J-d 22° 22° !b Quartzite, schist, gneiss V2 Dolomite, iron-formation, chert, shale, quartzite (base) C-Pd Beaufort West !bl Sandstone, conglomerate V3 Sandstone, conglomerate, shale, volcanic rocks LIMPOPO Ksu !-d Dolerite V4 Leucogneiss, tonalitic/trondhjemitic gneiss Pa Pe 24° 24° !o Volcanic rocks, metasediments, gneiss V5 Gabbro, granite, andesite, diorite, dolerite !or Quartzite, shale, lava Vkd Quartzite, conglomerate Pa N O-Dt Pa !p Pyroxenite, carbonatite, phoscorite Vle Granite %-s Pa Nm A %-s 26° 26° !s Quartzitic sandstone, basaltic lava Vp Quartzite, shale, basaltic andesite N-"c Pa NORTH WEST Pe !w Sandstone, conglomerate, mudrock, lava Vpo Basaltic andesite, diamictite, dolomite, jasper, iron-formation D-Cw E A Pe Ng Arenite, phyllite, diamictite, lava, marble Vr Gabbro, norite, pyroxenite, harzburgite, anorthosite, diorite %s "k C-Pd D-Cw East London C Nga Limestone, phyllite, arenite Vra Granophyre C-Pd 28° 28° T Pe Laingsburg C-Pd O KWAZULU-NATAL Ngn Dolerite/diorite Vro Rhyolite, pyroclastic rocks, basaltic andesite C-Pd

%-s D-Cw D-Cw Nk Quartzite, schist, phyllite Vsc Syenite, hornblende granite, gabbro L O-Dt Db Db Js Grahamstown N 30° Nm Phyllite, arenite, limestone Vsu Alkali granite "y Db 30° N-"ck D-Cw A Js %-s Nr Syenite, granite V-sy Syenite N-"c J-Ku A O-Dt J-Ku I N-"c Granite Z1 Amphibolite, schist, quartzite, iron-formation, gneiss, migmatite N-"ck N %-s %a Nm O-Dt N-"ck Sandstone, mudrock, limestone, conglomerate Z2 Metaquartzite, gneiss, calc-silicate rocks, marble %-s D 32° 32° Worcester Db N-"k Granite Z3 Tonalitic gneiss Pe J-Ku Nga Db T "k D-Cw J-Ku N O-Dt N-"n Arenite, limestone, shale Z4 Gneiss, granite, granodiorite, tonalite, migmatite J-Ku O-Dt I George Nk %a N-"v Mudrock, sandstone, limestone Z5 Gabbro, dunite, norite, pyroxenite, serpentinite I 34° 34° Nk N-"c &1 Biotite and pelitic gneiss, leucogneiss, augen gneiss Zb Volcanic rocks, arenite, mudrock C %-s N-"c %b Swellendam J-Ku %-s J-Ku Plettenberg Bay Db &2 Quartzite, gneiss, calc-silicate rocks, kinzigite Zba Pelitic and mafic gneisses, ultramafic rocks D-Cw Db 16° 18° 20° 22° 24° 26° 28° 30° 32° 34° %a &3 Gneiss, schist, volcanic rocks, amphibolite Zg Mafic lava, schist, quartzite, conglomerate &4 Gneiss, schist, amphibolite, marble, conglomerate Zgh Gneiss, migmatite, leucogranite O Db %b O-Dt 34° O-Dt Compiled by: M.R. Johnson and L.G. Wolmarans 34° &5 Orthogneisses Zgi Ultramafic schists, amphibolite, metasediments &6 Carbonatite, pyroclastic rocks, pyroxenite, syenite Zk Iron-formation, jaspilite/chert, schist, amphibolite C Cartographically prepared by C. Thomas %b &7 Granitoids Zme Meta-anorthosite, metagabbro, metapyroxenite %b E O-Dt Copies of the Map (also in digital format) are obtainable &8 Gabbro, norite, pyroxenite, serpentinite, schist Zmz Quartz monzonite from the , Private Bag X112, &k Volcanic rocks, sandstone, conglomerate Zne Porphyritic granodiorite/quartz monzonite A Pretoria, 0001, http://www.geoscience.org.za & ke Granitoids, charnockites Zp Ultramafic/mafic lava, quartzite, conglomerate, schist N &l Augen orthogneisses (granitoids) COPYRIGHT: COUNCIL FOR GEOSCIENCE 2008 Council for Geoscience

14° 16° 18° 20° 22° 24° 26° 28° 30° 32°