Demetrie volcanics, intrusive andesite (Cretaceous) – Fine-grained crystalline to aphanitic matrix, plagioclase-porphyritic andesite. Demetrie volcanics, andesitic lava (Cretaceous) – Porphyritic andesitic to intermediate lava flows and possible hypabyssal equivalents (up to 1,000m thick). Demetrie volcanics, upper rhyolite tuff (Cretaceous) – Light gray, welded rhyolite ash-flow tuff (0-50m thick). Demetrie volcanics, pyroclastic unit (Cretaceous) – Light colored, thin- to medium-bedded nonwelded pyroclastic rocks (0-6m thick). Sandstone (Cretaceous) – Green-gray argillaceous, medium-grained feldspathic quartz sandstone. JURASSIC Harris Ranch Monzonite (Jurassic) – Medium-grained, equigranular quartz monzonite. Harris Ranch Monzonite, mafic phase (Jurassic) – Light gray, fine-grained, porphyritic monzonite to monzodiorite. Harris Ranch Monzonite, Tascuela Canyon phase (Jurassic) – Monzonite porphyry. Red Boy Rhyolite Andesite-clast conglomerate, Red Boy Rhyolite (Jurassic) – Medium- to thick- bedded andesite-clast conglomerate (0-15m thick). Dacitic ash-flow tuff, Red Boy Rhyolite (Jurassic) – Pink weathering moderately welded dacitic ash-flow tuff (5-15m thick). Biotite-rich ash-flow tuff, Red Boy Rhyolite (Jurassic) – Welded rhyolite ash- flow tuff (30m thick). Rhyolite ash-flow tuff, Red Boy Rhyolite (Jurassic) – Rhyolite ash-flow tuff containing 15-30% phenocrysts of plagioclase, quartz, and K-feldspar (up to 2,000m thick). Mesobreccia, Red Boy Rhyolite (Jurassic) Megabreccia, Red Boy Rhyolite (Jurassic) Rhyolite porphyry megabreccia, Red Boy Rhyolite (Jurassic) Rhyolite lava megabreccia, Red Boy Rhyolite (Jurassic) Megaclasts of rhyolite porphyry, Red Boy Rhyolite (Jurassic) Megaclasts of phenocryst-rich dacite tuff, Red Boy Rhyolite (Jurassic) Megaclasts of rhyolite lava, Red Boy Rhyolite (Jurassic) Western rhyolite porphyry (Jurassic) – Dikes and small stocks of ~10-15% phenocryst rhyolite porphyry. Rhyolite dike (Jurassic) Rhyolite porphyry (Jurassic) – Moderately phenocryst-rich, flow-foliated rhyolite porphyry. Quartz sandstone (Jurassic) – Cross-stratified, gray quartz sandstone (0-15m thick). Rhyolite lava (Jurassic) – Rhyolite lava and rhyolite lava breccia. Dacitic tuff (Jurassic) – Dark gray to purple phenocryst-rich dacitic ash-flow tuff (up to 200m thick). Rhyodacite tuff (Jurassic) – Moderately phenocryst-rich rhyodacite ash-flow tuff (~50m thick). Andesitic conglomerate (Jurassic) – Mafic volcaniclastic conglomerate interbedded with andesitic lava flows (up to 200m thick). Andesitic lava and conglomerate (Jurassic) – Plagioclase-porphyritic andesite interbedded with andesitic conglomerate (probably >300m thick). Ox Frame volcanics (Jurassic?) Tuff of George Tank (Jurassic) – Rhyolite ash-flow tuff megabreccia (>300m thick). Rhyolite, undifferentiated (Jurassic) – Phenocryst-poor to aphyric rhyolite. Rhyolite lava (Jurassic) – Phenocryst-poor to aphyric rhyolite lava. Rhyolite lava breccia (Jurassic) – Phenocryst-poor to aphyric rhyolite lava breccia. Rhyolite tuff (Jurassic) – Phenocryst-poor, thin- to medium-bedded nonwelded tuff (0-2m thick). Rhyolite ash-flow tuff (Jurassic) – Moderately phenocryst-rich rhyolite ash-flow tuff (2-20m thick). Quartz sandstone (Jurassic) – Medium- to coarse-grained gray quartz sandstone that contains between 0-30% rhyolitic detrital clasts (0-200m thick). Intrusive andesite (Jurassic) – Plagioclase-porphyritic andesitic rocks. Andesite, undifferentiated (Jurassic) – Plagioclase-porphyritic andesitic rocks. Andesite lava (Jurassic) – Plagioclase-porphyritic andesitic lava. Tuff of San Juan Wash (Jurassic) – Phenocryst-poor to aphyric rhyolite ash-flow tuff. Tuff of San Juan Wash megabreccia (Jurassic) – Monolithic megabreccia within the tuff of San Juan Wash. PALEOZOIC Horquilla Limestone (Pennsylvanian) – Cherty limestone, epidote skarn, and marble (>100m thick). Escabrosa Limestone (Mississippian) – Massive cherty limestone (~150m thick). PROTEROZOIC Granite (Mesoproterozoic) – Medium- to coarse-grained leucogranite. Pre-Tertiary rocks (Mesoproterozoic-Paleozoic-Mesozoic) – Undifferentiated granitic, volcanic and sedimentary rocks. Text QUATERNARY – LATE TERTIARY Mine dump (<50 years) – Very poorly-sorted, angular rock debris ranging in size from sand to boulders (some up to 3m), but generally in the cobble-boulder size range (0-200m thick). Disturbed areas (<100 years) – Mostly water tanks and road fill. Late Holocene active channel deposits (<100 years) – Braided and meandering active channel deposits composed of sandy pebble-cobble-boulder alluvium. Late Holocene alluvium (<2 ka) – Recent alluvium on floodplains and low terraces that shows evidence of intermittent inundation during large flood events. Middle to older Holocene alluvium (~2 to 10 ka) – Low terraces and mid-channel island deposits composed of sand, silt, and clay, with a dominance of cobbles. Undifferentiated Holocene alluvium (~100 years to 10 ka) Late Pleistocene alluvium (~10 to 130 ka) – Weakly to moderately dissected alluvial valley fill deposits. Middle Pleistocene alluvium (~130-750 ka) – Moderately dissected alluvial fan deposits. Colluvium and talus (<2 Ma) – Unconsolidated to moderately consolidated colluvium and talus hillslope deposits. Surficial deposits, undivided (Quaternary to late Tertiary) – Deeply dissected and highly eroded alluvial fan deposits. MID-TERTIARY Pedimented volcaniclastic conglomerate and sandstone (Late Pleistocene ~10 to 130 Ka) Volcaniclastic conglomerate and sandstone (Tertiary) – A heterogeneous volcaniclastic unit consisting of clast-supported, boulder-cobble-pebble conglomerate and pebbly sandstone (>500m thick). Dacite of Tinaja Peak (Tertiary) – Moderately phenocryst-rich dacite lava (> 150m thick). Lower dacite of Tinaja Peak (Tertiary) – Moderately phenocryst-rich dacite lava (0-100m thick). Conglomerate and breccia (Tertiary) – Coarse-grained, angular-clast, oligomict conglomerate and breccia (0-25m thick). Dacite of Escondido Wash (Tertiary) – Fine-grained phenocryst-rich dacite lava (0-100m thick). Andesite of Tinaja Hills (Tertiary) – Phenocryst-poor andesitic lava (200m thick). Upper basaltic trachyandesite lava (Tertiary) – Vesicular basalt lava (> 10m thick). Volcaniclastic sandstone and conglomerate (Tertiary) – Reddish volcaniclastic sandstone and pebble conglomerate (0-10m thick). Dacite of Batamote Hills (Tertiary) – Phenocryst-rich dacite lava (0-200m thick). Tuff of Batamote Hills (Tertiary) – Massive, nonwelded dacitic ash-flow tuff (0- 65m thick). Bedded tuff (Tertiary) – Thin- to medium-bedded, nonwelded ash-fall tuff (0-50m thick). Basaltic trachyandesite lava (Tertiary) – Vesicular basaltic lava (5-25m thick). Biotite-phyric basaltic andesite lava (Tertiary) – Basaltic andesite lava (0-30m thick). Sandstone and conglomerate (Tertiary) – Pebbly sandstone and pebble-cobble conglomerate (up to 30m thick). Helmet Conglomerate (Tertiary) – Avalanche breccia, conglomerate and sandstone (> 2km thick). Porphyritic andesite (Tertiary) – Coarse-grained, plagioclase-porphyritic andesite lava (50-100m thick). * shown on cross-section only PALEOCENE Mafic dikes (Tertiary) – Fine-grained diorite to monzodiorite dikes. Hornblende porphyry dikes (Tertiary) – Fine- to medium-grained monzonite dikes. Biotite porphyry dike (Tertiary) – Fine- to medium-grained biotite monzonite dike. Sierrita Breccia (Tertiary) – Strongly copper and molybdenum-mineralized intrusive breccia mapped in the Sierrita-Esperanza pit. Quartz monzonite dikes (Tertiary) – Fine- to medium-grained leucocratic dikes. Rhyodacite porphyry (Tertiary) – Porphyritic dikes and small stocks in the Sierrita-Esperanza mine area. Sierrita Granite, aplite phase (Tertiary) – Fine-grained to aplitic leucogranite. Sierrita Granite, aplite phase in the Sierrita pit (Tertiary) – Fine-grained to aplitic leucogranite. Sierrita Granite (Tertiary) – Leucocratic, medium- to coarse-grained, equigranular granite to syenogranite. North Sierrita Porphyry (Tertiary) – Fine- to medium-grained biotite monzogranite. West Sierrita Porphyry (Tertiary) – Light gray to pinkish gray porphyritic monzogranite. Ruby Star Granodiorite, megacrystic phase (Tertiary) – Megacrystic, medium- to coarse-grained monzogranite to granodiorite. Ruby Star Granodiorite (Tertiary) – Medium-grained, equigranular granodiorite. Fine-grained, biotite diorite (Tertiary) – Fine-grained diorite. Quartz vein and hydrothermal breccia (Tertiary – Cretaceous) – Zones of intense quartz vein intrusion, alteration, and pervasive silicification. CRETACEOUS Demetrie Andesite, eastern units Demetrie volcanics, intermediate porphyry (Cretaceous) – Aphanitic matrix, 15% plagioclase-porphyritic porphyry. ABBREVIATED GEOLOGIC UNIT DESCRIPTIONS See text for complete descriptions and discussion Topographic base from USGS Batamote Hills 1:24,000 quadrangle. Compiled by photogrammetric methods from aerial photographs taken in 1975, field checked in 1976, map edited in 1981. UTM grid, zone 12; 1927 North American Datum; Clarke 1866 spheroid. Jt Ql Jb Qy unmapped Jau Ph Yg Kss Qc Jtt Yg Ql Ql Kss 51 52 59 19 26 29 8 64 63 15 10 72 108 52 70 53 62 40 42 45 70 32 28 36 29 28 27 38 31 28 31 55 27 36 20 26 22 38 17 43 32 65 58 48 33 47 34 35 30 6 13 7 12 10 14 12 8 22 15 7 26 23 34 22 13 18 9 17 22 11 7 13 13 78 9 7 15 14 13 16 11 26 12 35 42 22 82 48 81 78 89 74 80 25 53 69 47 50 71 75 10 9 5 6 73 5 64 36 15 15 10 12 17 10 4 23 13 13 16 18 13 3 39 50 37 26 39 37 58 44 10 9 11 11 18 15 12 7 8 8 8 10 24 13 23 17 17 22 19 32 41 29 28 24 36 43 14 82 33 38 73 60 69 60 19 30 42 32 35 85 75 60 44 56 88 80 53 46 83 84 61 45 12 74 12 35 20 32 14 4 62 10 10 13 51 18 CAF-2-4035 4 2 3 8 6 8 75 66 54 51 45 64 68 78 56 39 27 62 89 59 45 65 68 56 31 40 58 46 62 38 52 37 47 54 37 45 43 25 34 24 34 27 46 41 80 70 59 76 45 CAF-2-5746 CAF-2-5749 CAF-2-6081 CAF-2-6182 CAF-2-6181 CAF-2-6077 CAF-2-6076 CAF-2-6155 CAF-2-4578 CAF-2-4575 CAF-2-4574 CAF-2-4586 CAF-2-4587 CAF-2-4588 CAF-2-4589 CAF-2-4590 CAF-2-4592 CAF-2-4641 CAF-2-4650 CAF-2-4657 CAF-2-4664 CAF-2-4665 CAF-2-4668 CAF-2-4666 CAF-2-4667 CAF-2-4669 CAF-2-6048 16 CAF-2-5277 CAF-2-5294 CAF-2-5261 CAF-2-5216 CAF-2-5213 CAF-2-5212 CAF-2-5221 CAF-2-5226 CAF-2-5228 CAF-2-5240 CAF-2-5202 CAF-2-5207 BJJ-853 BJJ-857 CAF-2-5164 CAF-2-5154 CAF-2-4003 CAF-2-3990 CAF-2-3984 CAF-2-3870 CAF-2-3855 CAF-2-3977 CAF-2-3829 CAF-2-4174 CAF-2-5336 CAF-2-5343 CAF-2-6721 CAF-2-6725 CAF-2-6729 CAF-2-5100 CAF-2-5102 CAF-2-4941 CAF-2-4942 CAF-2-5296 CAF-2-5362 CAF-2-5360 CAF-2-5943 CAF-2-5945 BJJ-844 BJJ-793 BJJ-800 BJJ-805 CAF-2-6401 CAF-2-5897 CAF-2-6355 24 29 61 4 Jht Qy Jhm Jri Ql Jal Ql Ja Jhm Jal Jg Qc Qc Jc Ql Jr Jrpw Jsj Jrpw Jrpw Jsx Jsx Jsj Jc Qy Qyc Qyc Jc Jc Jc Jc Jr Jrpw Jr Qy Qy Jsj Jsx Jc Jc Jc Ph Me Jt Jt Jt Jt Qy Jt Ql Jb Qy Qyc Jb Jb Jbz Ql Qy Qy Qm Qm Jb Ql Jb Qy Qy Qyc Qm Qyc Qy Jb Qm Qm Tcv Tcv Tcv Tb Tb Qyc Tcv Tb Qyc Tcv Tcv Ttb Ttb Tcv Qm Qyc Ts Ts Ttb Tb Tdt Tdt Tcv Tcv Qy d Qy Tb Tdt Qc Tdb Tcv Tcv Qy Ttb Ts Qyc Ttb Qm Tb Tdt Tdt Ttb Ttb Ttb Tdt Tdt Tbu Qm Ts Ts Tb Tbb Tds Ttb Ttb Tb Tb Tb Tbb Tdt Tbu Tbu Qy Tds Qc Tdb Qc Tcv Tdb Tdb Tdb Qm Qy2 Qy Tcv Qy2 Qm Qm Tcv Tcv Ql Qy Ql Qy Qyc d Qyc Qy d Qy Qy2 Tcv Qyc Qy2 Qy2 Tcv Ql Ql Qm Qy2 Qm Qm Qm Qm Ql Ql Ql Qy Qy2 Qy2 Ql Tcv Qy2 Qm Qm Qm Tcv Ql Ql Ql Qy2 Qy Qyc Tcv Tcv Tcv Tcv Tcv Qm Qm Qm Qyc Tcv Qyc Qyc Tcv Qm Qy Qy Qy Qm Qm Tcv Qy Qm Qyc Tdf Tcv Tdf Tdf Tcv Tcv Tcv Qm Qyc Qy Qy Qy1 Tdf Tdf Ql Qm Qm Qm Qy2 Qy2 QTs Ql Ql Qyc Qy2 Ql Ql Tcv Tcv Tcv Qy2 Qy2 Qm Tdh Ql Qm Qy1 Tdh Tcv Ql Ql Ql QTs QTs Tdf Tdf Ql Tdf Qy Tcx Tdf Ql Qm Qy Qy Qc Tdx Tcx Tcx Qc Qy Qy2 Qy2 Tcv Tdh Ta Tcx Ta Ql Ta Tdh Qc Ta Ta Qy Qy Qm Kd Tcv Qm d Tcv dl Kd Kd Kd Ql Qy Kdw Qm Tcv Ta Jh Kd Tcv Qy Kd Kdw Qyc Qy Qy Ql Tcv Tcv Kd Ta Tcv Qy Jr Ja Ja Ja Jq Ja Ja Trd Jr Tgx Tws Tgfs TKd Tmz Tns Tsb Tws Tws Tns Trd Jh Tws TKd Jh Tws Jh Jh Jh Tgx Tgx Tsb Jri Tgx Trd TKd Jh Ja Jr Jr Jq TKd Jq Qy Ja Tmz Tmz Tg Jh Jh TKd Tg TKd Ql Ql Ql TKd TKd Tg Tg Tg Qyc Qy Tmz TKq Jrl Jrl Jq Jq Jr Jr Ja Jai Jr Jq Jrl Ql Ql Ql Jq Jrl Jrl Jr Ja Ja Jr Jq Jq Jh Jh Jq Jh Jh Jh Jqu Ql Jbx Jbx Jb Jb Ql Ql Jbx Jbx Kd Ql Tcv Ql Jbx Jh Jqu Jqu Jqu Ql Jb Jb Kd Kd Ki TKd TKd TKd TKd TKd Qyc Ql Ql Tcv Tcv Kd Kd Kdw Kdw Kdw Ql Ql Kd Kdr Kd Qm Qy2 Ql Qyc Ql Ql Ql Qy2 Tcv Tcv Ql Qy2 Ql Qm Qm Ql Tcv Ql d d Qy2 Qy2 Ql Qy2 Qy Ql Ql Qm Ql Ql d Qy2 Qy2 Qm Ql Tcv Tcv Qy Tcv Qm Qyc Ql Ql Ql Qy Qy Tcv Tcv Qm Qm Qy Qy d Ql Tcv Qy2 Tcv Ql Qy Qm Qy2 Qy2 Qy Ql Ql Tcv Qm Qm Qm Qyc Qy Tcv Qy2 Tcv Qy Qy Qm Qm Qyc Tcv Tcv Tcv Tcv-Ql Qy Tcv Qyc Qyc Tcv Tcv Tcv Qy d Qy Tcv-Ql Tcv Tcv Tcv Qm Qy2 Qy2 Qy Qy Qm Qy Qy Qc Jb Qm Ql Ql d Jbz Jbz Jbx Qy Ql Qy2 Jbz Qm Ql Jb Jbdx Qc Jc Qc Jc Jc Jrpw Ql Jbx Ql Jrpw Jbrx Jbdx Jbdx TKq Jau Jau Qm Jb Jrp-Jb Jt-Jb Jrl Qm Qm Jh Qm Jh Ja Ja Jrp Qm Jb Qy Jb Jbrx Jr Jr Jr Jh Ja Jh Qm Ja Jb Qm Jbz Jau Qm Jb Jau Qc Qyc Qm TKq TKq Qm Qm Jb Jau Qc Qy2 TKq Qc Qy2 Ql Qy Qy Ql Qm Qm Ql Jbb Jbc Jbb Jbc Qy Ql Ql Qyc Ja Qy Jb Jbd Jb Jbb Jau Jau Jau Ja Jr Tg Jh Qy Jr Jr Ja Jr Jrb Kdi Kd Jbx Jrl Jh Jr Tgf Tg Tg Tgf Jr Jr Ql Jr Jr Tg Ja Ja Tg Jq Jq Jq Jbx Qy Jr Ja Jh Jh Jh Ja Jai Jrl Ja Ja Ja Ja Jh Jh Jh Qy Tcv Jh Jh Jh Jh Jh Jh Jh Jh Jh Jh Jh Ja Jh Jr Jtq Jrl Jr Jh Jrl Ql Jh Qm Qy2 Qy2 Qy2 Qm Tcv Tcv Ql Ql Ql Qy Qyc Ql Qy2 Tcv Ql Tcv Tcv Qy Qy2 Tcv Tcv Qy2 Ql Ql Ql Ql Ql Qy Tcv Tcv Qy2 Qy Qy Qy Qy Qm Qm Qm Qm Tcv Qy2 Ql Qy Qm Qy2 Qy2 Qy2 Qy2 Qy2 Qy2 Qy2 Qy Jb Ql Tcv Tcv-Ql Tcv-Ql Qy Qy Qm Qm Qm Jru Jrt Qy Qy Jh Qy Yg Qy Qy Qy 18 28 12 6 8 6 7 5 6 4 14 5 4 3 3 9 5 3 6 2 7 4 10 13 7 9 8 11 6 20 Ql Qy Jc Qyc Qy Qy Qy Qy Qy Qy Qy Qy Qyc Qm Qy Qy Qy Qy Jb Jb Jb Jb Ql Qy Jau Jb Qm Jau Qm Qm Jbx Ja Ja Ja Ja Ja Qm Qm Jb Jb Jau Qm Jr Jrl Jrl Jbx Jh Jh Ql Ql Qy Qy Jbx Jd Jb Qyc Qyc Qyc Qyc Ql Ql Qy2 Qy2 Tcv Tcv Tcv Qy Ql Ql Tcv Tcv Tcv Tcv Qy Ql Qy Qy2 Tcv Qyc Qyc Qyc Qy2 Qyc Ql Qy Qy Ql Ql Ql Qy Qyc Qyc Qy Qy Ql Ql Ql Ql Ql Qy Qy Qy Qyc Qyc Qm Qy Qy Qy2 Qy Qy Qy Qy Qyc Qm Qy Qy Qy Qy Qy Qy Ql Qm Qy Qy Qy Qm Qy2 Qy Qy Qy Qy2 Qy Qy2 Qy2 Ql Qy Qyc Qyc Qy Qy Qy Qy Qy Qy Tdf Qy1 Qy2 Qy Qy Tcv Qyc Qy Qy Qy Qyc Qyc Qy Qy Qy Qy Qy Qm Qy Qy Qyc Qm Qyc Tcv Qy Qy2 Qyc Qyc Qy Qy d Qy2 Qy2 Qy Qy2 Qy2 Qy2 Qy2 Qy2 Qy Qy Qy Qy Qy2 Qy2 Qy2 Qy Qy Qy Qy Qy Qy Qy Qy Qy2 Qy2 Qy Qy Qyc Qy Qy Qy Qy2 Qy2 Qy2 Qy2 Qy Qyc Qy Qy Ql Qyc Qyc Qm Qy Qy Qy Qy Qy Qy Qy Tcv Qy2 Qy Tcv Qy2 Qy Qy d Qy Qy2 Qy2 Ql Qy Tdf Qy2 Qy2 Qy2 Qy2 Qy2 Ql Tcv Qy2 Qy Ql Ql Qyc Qyc Qyc Qyc Qy Qy Qy2 Tcv Ql Qy Qyc Tcv Tcv Tcv Qyc Qm Tcv Qyc Qyc Tdb Qy Tcv Tcv Qyc Qyc Qyc Jb Qy Qy Ql Qm Tcv Tdh Tdh Qc Qc Qm Qm Ql Kdr Kdr Kdr Qm Qm Qc Qc Qc Qm BJJ-785 Jb Jbz Qy Qy Qy Qy2 Qy2 Qy Qy Qy Qy Qy Qy Qy Qy Qy Qy Qy Qy Ql Ql Qy Qy Qy Qy Qy Qy Qy Ql d dl Qy BJJ-729 63.4 ± 0.3 Ma, U-Pb zircon 137.1 ± 14.0 Ma, Rb/Sr ~ 60 Ma, U-Pb 60.5 ± 0.2 Ma, U-Pb zircon BJJ-887 A" A' B B' BJJ-773 BJJ-778 BJJ-797 BJJ-918 BJJ-917 Ta Tcv Tcv Th Jh Tdh Tdf Jr Tgd Th Jh Tcv Jrl Tcv? Ta Jrl Jrl Y-Pz-Mzu Kd Jh Jbx Tdfl Tcv Jrl Tap Jbx Jrl Tg Jb Jr? Ja Jrl Jbx Tcx Jrl Tcv Jrl Jh Jr Ja? Jr Jr Jrl Ja Ja Jbx Jrl Jr? Jrp Tg Jrl Jh Ja Tgf Jb Jrl Jh Tcx Jr Jh Jbx Tcv Jh Jrp Jtq Jh Jh Jq Jq Jq Jh Jq Jq A Jbx Jq Jr Jrl Jqu Jqu Ja Jrl Jtq Jh Jh Jb Jtq Jqu Jq Hypothetical shape of evolved footwall block showing 9 km top-to-the-north motion of the San Xavier fault P roj ectio n o f the Sax Xav ier fa u lt b e f o re Mi d-C enozo i c e ro si o n H y p o the t ic a l po s iti o n o f old e s t M id - T e r tia r y u n c on fo r mit y A' Samaniego Peak quadrangle __________________ Batamote Hills quadrangle A" 6,000 ft 4,000 ft 2,000 ft 0 ft 2 km 1.5 km 1.0 km 0.5 km 0 km Sa n Xa v i e r fa u l t Ring F ra c t u re fau l t Ja d Jt dl Jr Ki Jc Ql Jrl Jtt Jq Ja Jb Jh Jg Jrt Ts Tb Ta Tg Jsj Yg Ph Kd Qc Qy Jai Jal Jtq Jht Me Jru Jrb Jrp Tdt Tgf Tdf Ttb Kdi Jsx Trd Jbx Jbc Jbz Kdr Th* Qm Tcv Tcx Jriu Jbb Jbd Jqu Tmi Tns Tgx Kss Tdx Tds Tsb Tdb Tbu Tgd Tph Tbb Tdh Tpb Qyc Tws Qy1 TKq TKd Qy2 QTs Jbrx Jhm Tmz Tgfs Kdw Jrpw Tap* Jbdx Y-Pz-Mz Jt-Jb Jr-Jb Jrp-Jb Tcv-Ql Jau E sc o n d i d o W ash P r o c t o r W a s h Johnson Johnson Johnson Johnson Phelps-Dodge Johnson Johnson Cooper Shipman Ferguson & Shipman Ferguson Johnson Johnson Ferguson Ferguson Ferguson & Shipman Ferguson & Shipman S a n J u a n W a s h Ferguson MAPPING RESPONSIBILITY DIAGRAM Pima County INDEX MAP OF ARIZONA Batamote Hills (shown as gray box, above) is one of four quadrangles mapped in 2003 in the Sierrita area. The others include Samaniengo Peak 7½' Quadrangle (DGM-30), Twin Buttes 7½' Quadrangle (DGM-31) and Esperanza Mill 7½' Quadrangle (DGM-33). Digital cartography by Erin M. Moore Arizona Geological Survey 416 W. Congress, Suite 100 Tucson, Arizona 85701 CROSS-SECTIONS STRATIGRAPHIC CORRELATION DIAGRAM Topographic base in Sierrita mine area (NE corner of map) represents 2001 mine surface (Phelps Dodge, 1999; 2001). Arizona Geological Survey DGM-32 (Batamote Hills) Arizona Geological Survey DGM-32 (Batamote Hills) Tcv Tcv Kd Qy Tgd Ts TKq Tsb Jtq Tcx Jh Ql Tg Tb Jt Qc Ta Jht Tdt Ttb Jtt Trd Jc Tgf Th* Jb Jbz Tds Tbu Tmi Kss Tns Qy1 Tpb Tph Tdb Tbb Jsj Jg Ph Yg Qyc Qy2 Tgx Tdh Qm TKd Tdf Jq, Jrt Tws QTs Jhm d, dl Tmz Tgfs Me Jru Jrp Kcg* Jsx Jbc Jriu Jau Jbb Jqu Jbd Tdx Tap** KJmv* Kdi, Ki Jrpw Kdlr* Kdr Kdw Jbx, Jbdx, Jbrx, Jrp-Jb, Jt-Jb, Jr-Jb Ja, Jal, Jai Jr, Jrl, Jrb, Jri Y-Pz-Mz* 0 Ma ........ 1.8 Ma ........ 65.0 Ma ...... 248 Ma ...... Quaternary Tertiary Cretaceous Jurassic Paleozoic Proterozoic ? 145 Ma ........ 544 Ma ...... Mapping Responsibility Key Cooper Ferguson Ferguson & Shipman Johnson Phelps-Dodge Shipman GEOLOGIC MAP SYMBOLS 25 34 50 Bedding and structure symbols Bedding Indistinct bedding Bedding with stratigraphic top known Eutaxitic foliation Flow foliation Minor fault showing dip Depositional or intrusive contact Dashed where approximately located, dotted where concealed, queried where location uncertain Mapping boundary Fault, showing dip Dashed where approximately located, dotted where concealed, queried where location uncertain 47 8 Foliation with lineation Thin-section sample location 45 Vein, approximate Chemistry sample location Thin-section, chemistry location Dike 17 Plunging anticline axis Sample number CAF-2-2512 Unconformity (on cross-sections) 55 Contact and fault symbols 38 11 Tcv Jau Tc Jg Tcv Jht Tc Jb Jbdx Jal Ja? Jr Tap Jb Jru Y-Pz-Mzu Jr Ja Jr? Tcv Q Jr Jhm Q Kc Ja Jrpw Jrpw Jr Jrpw Migration of Cenozoic unconformity 10,000 ft 2.5 km 8,000 ft 6,000 ft 4,000 ft 2,000 ft 3.0 km 2.0 km 1.5 km 1.0 km B B' Ring Fracture fault S an X avie r f ault Jb MN 12.5º Sells Arivaca Green Valley Tucson I-10 I-19 86 286 Pima County Three Points SCALE 1:24,000 CONTOUR INTERVAL 40 FEET MILES 1 0 1 0.5 KILOMETERS 1 0 1 0.5 FEET 1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 500 MINE CONTOUR INTERVAL 100 FEET GEOLOGIC MAP OF THE BATAMOTE HILLS 7½' QUADRANGLE, PIMA COUNTY, ARIZONA by: Charles A. Ferguson, Brad J. Johnson and Todd C. Shipman Arizona Geological Survey Digital Geologic Map 32 v.2 September, 2019 Citiation for this map: Ferguson, C.A., et al., 2019 Geologic Map of the Batamote Hills 7½' Quadrangle, Pima County, Arizona: Arizona Geological Survey Digital Geologic Map 32 (DGM-32), 31 p., 1 sheet, scale 1;24,000. Not to be reproduced for commercial purposes Research supported by the U.S. Geological Survey, National Cooperative Geologic Mapping Program, under USGS award #02HQAG0016. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. government.
