MISCELLANEOUS FIELD STUDIES MAP MF-2382 U.S. DEPARTMENT OF THE INTERIOR Version 1.0 U.S. GEOLOGICAL SURVEY SHEET 3 OF 3 D D'' SW 615 mi (990 km) along the line of section or 450 mi (724 km) end point to end point NE ARIZONA NEW MEXICO NEW MEXICO COLORADO COLORADO NEW MEXICO NEW MEXICO OKLAHOMA San Juan Basin Pagosa San Juan Sag San Luis Valley Sangre de Cristo Raton Basin Oklahoma Springs Mountains Panhandle 14 15 16171819 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 110o 109o 108o 107o 106o 105o 104o 103o o 38 Sangre De Monticello La Junta San Jua 29 San Luis 30 San J Cristo Mountains Walsenburg Ma Ma 28 Valley Tertiary V Del Norte o uan Mountainsn Sag lc Cortez Pagosa anic 31 Raton 65.4 65.4 Bluff Durango Springs Alamosa Field Trinidad 26 Archuleta27 32 o UTAH D'' 37 COLORADO D' Basin COLORADO 66 Raton Formation (part) 66 ARIZO NEW MEXICO 35 NA NEW MEXICO 25 Raton Fossil zone Fossil zone Kayenta Arch 33 34 Shiprock 24 number number Farmington OKLAHOMA 23 Clayton Taos TEXAS San Juan Springer upper 22 Taylor Springs 1 1 36o Basin Cuba 21 2 2 Sante Fe Gallup19 20 Las Vegas 18 3 3 Zuni17 16 15 Zuni Uplift 14 Tucumcari Maastrichtian Grants 13 *4 *4 35o 12 Basin Albuquerque 11 Holbrook 70 5 Vermejo Formation 5 70 lower 4 8 10 6 6 D 9 Show Low 7 EXPLANATION 1 3 5 Baculites eliasi Mogollon 2Rim 6 Outcrop section Borehole 7 7 Socorro o Springerville 34 0 50 100 Miles Trinidad Sandstone 8 Baculites jenseni 8 0 50 100 150 Kilometers ? INDEX MAP SHOWING LOCATION OF CROSS SECTIONS 9 Baculites reesidei 9 10 10 *11 Baculites compressus *11 MOLLUSCAN FOSSIL-ZONE MOLLUSCAN FOSSIL-ZONE 12 Kirtland Shale Didymoceras cheyennense 12 upper part part STAGE STAGE 1 Jeletzkytes nebrascensis 39 Prionocyclus germari 2 Hoploscaphites nicolletii 40 Scaphites nigricollensis *13 Exiteloceras jenneyi *13 upper upper 3 Hoploscaphites birkelundi 41 Scaphites whitfieldi 75 Fruitland Formation 75 4 Baculites clinolobatus 42 Scaphites ferronensis 14 14 Didymoceras stevensoni 14 5 Baculites grandis 43 Scaphites warreni 44 Prionocyclus macombi Maas. (part) Maas. 6 Baculites baculus lower Pictured Cliffs Sandstone 7 Baculites eliasi 45 Prionocyclus hyatti *15 Didymoceras nebrascense *15 middle 46 Prionocyclus praecox 8 Baculites jenseni Huerfanito Bentonite Bed Turonian 47 Collignoniceras woollgari Cretaceous section between the San Juan Sag 9 Baculites reesidei 16 Baculites scotti 16 48 Mammites nodosoides 10 Baculites cuneatus and the Raton Basin is restored on this cross 49 Vascoceras birchbyi section; it was removed by latest Cretaceous- 11 Baculites compressus 50 Pseudaspidoceras flexuosum 17 17 12 Didymoceras cheyennense Cliff House Sandstone (Kch) upper lower 51 Watinoceras devonense early Tertiary erosion. 13 Exiteloceras jenneyi Pierre Shale 14 Didymoceras stevensoni 52 Nigericeras scotti 18 Lewis Shale 18 15 Didymoceras nebrascense 53 Neocardioceras juddii 16 Baculites scotti 54 Burroceras clydense Baculites gilberti, Baculites perplexus 17 Baculites reduncus 55 Euomphaloceras septemseriatum 19 19 18 Baculites gregoryensis 56 Vascoceras diartianum middle 19 Baculites perplexus upper 57 Dunveganoceras conditum 20 La Ventana Tongue, Kch P 20 20 Baculites sp. (smooth) 58 Dunveganoceras albertense resent a middle 21 Baculites asperiformis 59 Dunveganoceras problematicum Campanian 21 Baculites asperiformis 21 22 Bacuiltes mclearni 60 Dunveganoceras pondi are 23 Baculites obtusus Cliff House Sandstone (Kch) 61 Plesiacanthoceras wyomingense al Baculites mclearni -d 24 Baculites sp. (weak flank ribs) 62 Acanthoceras amphibolum 22 22 80 ay 80 25 Baculites sp. (smooth) 63 Acanthoceras bellense 26 Scaphites hippocrepis III 64 Acanthoceras muldoonense gener eros middle Mesaverde Group (Kmv) 27 Scaphites hippocrepis II Cenomanian 65 Acanthoceras granerosense *23 *23 lower 28 Scaphites hippocrepis I 66 Conlinoceras tarrantense 24 Menefee Formation 24 ce in 29 Scaphites leei III ion su (Gap in biostratigraphic record) 25 a 25 30 Desmoscaphites bassleri 26 Scaphites hippocrepis III 26 31 Desmoscaphites erdmanni 67 Neogastroplites maclearni 68 Neogastroplites americanus *27 Scaphites hippocrepis II *27 upper 32 Clioscaphites choteauensis rfa lower ion surf mid. 33 Clioscaphites vermiformis 69 Neogastroplites muelleri ce i Santonian low. 34 Clioscaphites saxitonianus 70 Neogastroplites cornutus Scaphites hippocrepis I lower up. 35 Scaphites depressus 71 Neogastroplites haasi 28 eros 28 ? Haresiceras mancosense n mid. 36 Scaphites ventricosus 72 Inoceramus bellvuensis ay d g 37 Forresteria alluaudi 73 Inoceramus comancheanus - low. 83 ener 38 Forresteria hobsoni 29 29 upper Albian (pt) Coniacian dstone San UPPER CRETACEOUS [Maas. = Maastrichtian; low. = lower; mid. = middle; up. = upper; pt = part] al resent ookout *30 P oint L Desmoscaphites bassleri *30 P are 8 910 11 12 13 31 Desmoscaphites erdmanni a 31 Satan Tongue, Km upper 85 32 85 32 Clioscaphites choteauensis 32 85 Hosta Tongue, Kpl Mancos Shale (Km) Niobrara Formation (Kn) Texanites texanus Clioscaphites vermiformis 33 Smoky Hill Shale Member, Kn 33 mid Gibson Coal Dalton Sandstone Member, Kcc low *34 Member, Kcc Cladoceramus undulatoplicatus *34 Niobrara Formation equivalent 35 Platyceramus stantoni Magadiceramus subquadratus crenelatus Platyceramus stantoni Protexanites bourgeoisianus, Magadiceramus subquadratus 35 Dalton Sandstone Mulatto Tongue, Km Member, Kcc upper 36 Borrego Pass Lentil, Kcc 36 ? El Vado Sandstone Member, Km mid *37 Crevasse Canyon Formation (Kcc) Dilco Coal Member, Kcc Cremnoceramus deformis equivalents Fort Hays Limestone Member, Kn Cremnoceramus browni, Cremnoceramus deformis *37 Coniacian Santonian Campanian 12 34 56 7 38 Cremnoceramus erectus Cremnoceramus erectus 38 low 39 Prionocyclus germari Prionocyclus germari Mytiloides incertus Prionocyclus germari, Mytiloides incertus 39 Gallup Gallup Sandstone 40 Prionocyclus novimexicanus unnamed shale member, Kc (above) and 40 41 Sandstone Scaphites whitfieldi Scaphites whitfieldi 41 42 Prionocyclus wyomingensis Juana Lopez Member, Kc (below) 42 90 90 43 Pescado Tongue, Km Inoceramus dimidius Lopha lugubris Scaphites warreni Juana Lopez Member, Km 43 90 upper *44 *44 Prionocyclus macombi Prionocyclus macombi ? *44 *45 Fite Ranch Spathites puercoensis Prionocyclus hyatti Prionocyclus hyatti *45 Tres Hermanos Sandstone Member, Kth Codell Sandstone Member, Kc Carlile Shale (Kc) Blue Hill Member, Kc 46 Formation (Kth) Carthage Prionocyclus percarinatus ? 46 Member, Kth Fairport Member, Kc Collignoniceras woollgari middle Collignoniceras woollgari 47 Collignoniceras woollgari Collignoniceras woollgari 47 Atarque Sandstone Member, Kth 48 Atarque Sandstone Mammites nodosoides 48 Mytiloides mytiloides Bridge Creek Limestone Member, Km Bridge Creek Limestone Member, Kgh Rio Salado Tongue, Km lower *49 Watinoceras coloradoense Vascoceras birchbyi *49 *53 Neocardioceras juddii Greenhorn Limestone (Kgh) *53 *55 Metoicoceras geslinianum Metoicoceras geslinianum Metoicoceras geslinianum *55 *56 Pycndonte aff. P. kellumi Hartland Shale Member, Kgh *56 57 Metoicoceras mosbyense Twowells Tongue, Kd 57 58 Dakota Sandstone (Kd) Graneros Member, Km Lincoln Member, Kgh 58 upper *60 Calycoceras canitaurinum Inoceramus prefragilis Calycoceras canitaurinum *60 Plesiacanthoceras wyomingense Whitewater Arroyo Tongue, Km *62 Tarrantoceras sellardsi Acanthoceras amphibolum Paguate Tongue, Kd Exogyra trigeri *62 95 63 Clay Mesa Tongue, Km Cubero Tongue, Kd 63 95 64 Paguate Tongue, Kd Graneros Shale 64 65 Clay Mesa Tongue, Km 65 Conlinoceras tarrantense middle *66 Dakota Sandstone (Kd) *66 (upper part) Romeroville Sandstone Pajarito Formation 67 Mesa Rica Sandstone 67 68 68 lower 69 69 *70 *70 *71 *71 99 99 104 104 Dakota Sandstone Glencairn Formation Inoceramus comancheanus, Texigryphaea tucumcarii, Eopachydiscus marcianus 73 (lower part) 105 105 Long Canyon Sandstone Bed of Glencairn Formation Albian Cenomanian Turonian 110 EXPLANATION 110 111 111 Contact of formation Burro ? Lytle Formation or member—Dashed where Canyon Formation Continental strata Marine sandstone Marine carbonate presence is uncertain (part) CRETACEOUS LOWER 112 rocks 112 Unconformity *45 Continental and Marine shale and Hiatus Fossil zone—Asterisk indicates nearshore marine siltstone that zone was dated radiometrically strata (Obradovich, 1993) Manuscript approved for publication November 1, 2001 SECTION D-D'', EAST-CENTRAL ARIZONA TO THE OKLAHOMA PANHANDLE Any use of trade names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Geological Survey REGIONAL STRATIGRAPHIC CROSS SECTIONS OF CRETACEOUS ROCKS FROM EAST-CENTRAL ARIZONA TO THE OKLAHOMA PANHANDLE This map was produced on request, directly from By digital files, on an electronic plotter For sale by U.S. Geological Survey Information Services C.M. Molenaar, W.A. Cobban, E.A. Merewether, C.L. Pillmore, D.G. Wolfe, and J.M. Holbrook Box 25286, Federal Center, Denver, CO 80225 2002 1-888-ASK-USGS.