Online Links:
CODING SCHEME FOR ATTRIBUTES:
NAME: FEATURE:
P1,P2 Shorthand attributes
BW Line pattern from CARTO.LIN
CCA Line pattern or shade color from CCA.LIN or CCA.SHD
CCB Shade color from CCB.SHD
PATT Shade pattern from DOT.SHD
HP Line pattern or shade color from TWETO.LIN or TWETO.SHD
CONTACT.AAT
NAME P1 P2 BW CCA HP MAJOR1 MINOR1 MAJOR2 MINOR2
CONTACT 1 - 0 1 101 500 201 - -
WATER, SHORELINE 2 - 0 1 101 40 200 - -
STATE OUTLINE 3 - 127 0 139 91 8 - -
FAULT - 1 0 4 102 - - 501 203
FAULT, THRUST - 2 0 4 102 - - 501 204
FAULT, DOTTED - 3 106 0 110 - - 501 205
FAULT, DASHED - 4 114 0 114 - - 501 206
BAR - 5 0 0 101 - - 501 218
DIATREME - 8 0 0 101 - - 501 215
VOL. CONE - 9 0 212 201 - - 501 216
PC SHEAR ZONE - 22 0 0 101 - - 501 213
SINGLE LINE OUTCROP - 24 0 0 0 - - 501 226
NON-PRINTING CONTACT - 25 0 0 0 500 202 - -
Some vectors can have both a P1 and P2 code. Such as a fault that
is also a contact.
DECO.AAT
NAME P1 BW CCA HP MAJOR1 MINOR1
BALL 6 0 1 101 501 219
TEETH 7 0 1 101 501 220
DIATREME 8 0 2 101 501 215
VOL. NECK 10 0 212 201 501 217
MONOCLINE 11 0 212 201 501 207
MONOCLINE, DOTTED 12 0 353 209 501 208
SYNCLINE 13 0 212 201 501 209
SYNCLINE, DOTTED 14 0 353 209 501 210
ANTICLINE 15 0 212 201 501 211
ANTICLINE, DOTTED 16 0 353 209 501 212
MONOCLINE ARROW 17 0 212 201 501 221
SYNCLINE ARROW 18 0 212 201 501 222
ANTICLINE ARROW 19 0 212 201 501 223
FOLD ARROWHEAD 20 0 212 201 501 224
OVERTURNED SYMBOL 21 0 212 201 501 225
PC SHEAR ZONE 22 0 1 101 501 213
JURASSIC LIMIT 23 118 0 113 501 214
LINE.AAT
NAME P1 BW CCA HP MAJOR1 MINOR1
Tbbi, 49 0 384 501 510 49
Tbr, 50 0 386 502 510 50
Tui, 58 0 512 503 510 58
Tmi, 59 0 505 508 510 59
TKi, 66 0 441 504 510 66
Kmj, 99 0 335 507 510 99
_am, 172 0 331 505 510 172
Yam, 181 0 449 506 510 181
Tmi,inferred 185 0 500 509 510 185
CONTACT.PAT
NAME P1 CCA HP CCB PATT MAJOR1 MINOR1
Qa, 1 16 1 0 0 520 1
Qg, 2 24 2 0 0 520 2
Qgo, 3 31 3 0 0 520 3
Qe, 4 19 4 0 0 520 4
Qeo, 5 19 5 0 55 520 5
Qd, 6 25 6 0 0 520 6
Qdo, 7 25 7 0 55 520 7
Ql, 8 25 8 0 71 520 8
Qb, 9 61 9 0 0 520 9
QTsa, 10 19 10 0 71 520 10
QTa, 11 31 11 0 55 520 11
To, 12 50 12 0 0 520 12
Tgv, 13 50 13 0 71 520 13
Ta, 14 50 14 0 55 520 14
Twr, 15 64 15 0 0 520 15
Th, 16 75 16 0 71 520 16
Tcu, 17 47 17 0 0 520 17
Tpc, 18 303 18 0 0 520 18
Tdu, 19 303 19 0 0 520 19
Tbp, 20 50 20 0 0 520 20
Tt, 21 50 21 0 0 520 21
Tnp, 22 50 22 0 0 520 22
Tos, 23 64 23 0 0 520 23
Tu, 25 75 25 0 71 520 25
Tb, 26 75 26 0 71 520 26
Tg, 27 81 27 0 7 520 27
Tgp, 28 103 28 0 0 520 28
Tgl, 29 81 29 0 0 520 29
Tglm, 30 103 30 0 0 520 30
Tgt, 31 88 31 0 103 520 31
Tglu, 32 81 32 0 0 520 32
Tglw, 33 81 33 0 71 520 33
Tw, 34 47 34 0 0 520 34
Twc, 35 45 35 0 0 520 35
Twn, 36 46 36 0 0 520 36
Two, 37 47 37 0 71 520 37
Tf, 38 303 38 0 0 520 38
Tc, 39 303 39 0 0 520 39
Tm, 40 303 40 0 0 520 40
Td, 41 50 41 0 0 520 41
Ts, 42 50 42 0 0 520 42
Tsp, 43 303 43 0 0 520 43
Tlp, 44 50 44 0 0 520 44
Tsj, 45 47 45 0 0 520 45
Te, 46 47 46 0 0 520 46
Tn, 47 303 47 0 0 520 47
Tbb, 48 118 48 0 7 520 48
Tbbi, 49 152 49 0 0 520 49
Tbr, 50 186 50 0 0 520 50
Tbrt, 51 96 51 0 0 520 51
Taf, 52 152 52 0 0 520 52
Tial, 53 64 53 0 0 520 53
Tiql, 54 64 54 0 127 520 54
Tpl, 55 348 55 0 0 520 55
Twm, 56 155 56 0 0 520 56
Tv, 57 79 57 0 0 520 57
Tui, 58 358 58 0 0 520 58
Tmi, 59 124 59 0 0 520 59
TKda, 60 35 60 0 0 520 60
Tdv, 61 35 61 0 71 520 61
TKdl, 62 35 62 0 0 520 62
TKr, 63 35 63 0 0 520 63
TKa, 64 35 64 0 0 520 64
TKec, 65 32 65 0 103 520 65
TKi, 66 387 66 0 0 520 66
Kl, 67 723 67 0 0 520 67
Kf, 68 718 68 0 0 520 68
Klf, 69 718 69 0 7 520 69
Kvt, 70 723 70 0 7 520 70
Kp, 71 716 71 0 0 520 71
Kpu, 72 712 72 0 0 520 72
Kpm, 73 767 73 0 0 520 73
Kpl, 74 720 74 0 0 520 74
Kn, 75 761 75 0 0 520 75
Kcg, 76 736 76 0 0 520 76
Kc, 77 761 77 0 0 520 77
Kpg, 78 709 78 0 71 520 78
Kdp, 79 785 79 0 0 520 79
Kd, 80 785 80 0 0 520 80
Kmw, 81 723 81 0 0 520 81
Kls, 82 712 82 0 0 520 82
Kmv, 83 717 83 0 0 520 83
Kmvu, 84 737 84 0 0 520 84
Kmvl, 85 751 85 0 95 520 85
Kw, 86 767 86 0 0 520 86
Ki, 87 751 87 0 95 520 87
Kh, 88 737 88 0 0 520 88
Ksc, 89 767 89 0 55 520 89
Kmgs, 90 751 90 0 95 520 90
Km, 91 736 91 0 0 520 91
Kmfm, 92 709 92 0 103 520 92
Kfd, 93 785 93 0 95 520 93
Kdb, 94 785 94 0 0 520 94
Kkf, 95 723 95 0 0 520 95
Kpcl, 96 767 96 0 0 520 96
Kch, 97 720 97 0 0 520 97
Kmp, 98 761 98 0 0 520 98
Kmj, 99 736 99 0 71 520 99
KJdm, 100 755 100 0 103 520 100
KJdj, 101 755 101 0 103 520 101
KJdw, 102 755 102 0 103 520 102
KJdr, 103 755 103 0 103 520 103
KJde, 104 755 104 0 103 520 104
KJds, 105 755 105 0 103 520 105
Jm, 106 746 106 0 0 520 106
Jmj, 107 746 107 0 0 520 107
Jmc, 108 746 108 0 0 520 108
Jmw, 109 746 109 0 0 520 109
Jmr, 110 746 110 0 0 520 110
Jme, 111 746 111 0 0 520 111
Jms, 112 746 112 0 0 520 112
Jmse, 113 746 113 0 0 520 113
Jmce, 114 746 114 0 0 520 114
Jmre, 115 746 115 0 0 520 115
Jmwe, 116 746 116 0 0 520 116
J@g, 117 782 117 0 0 520 117
J@gc, 118 782 118 0 71 520 118
J@mg, 119 782 119 0 95 520 119
J@mc, 120 800 120 0 0 520 120
@kc, 121 790 121 0 0 520 121
@wc, 122 790 122 0 0 520 122
@m, 123 741 123 0 0 520 123
@ch, 124 741 124 0 0 520 124
@cc, 125 776 125 0 103 520 125
@c, 126 776 126 0 0 520 126
@d, 127 776 127 0 0 520 127
@dg, 128 776 128 0 0 520 128
@Pl, 129 788 129 0 103 520 129
@Ps, 130 788 130 0 0 520 130
@Pll, 131 788 131 0 0 520 131
@Pjs, 132 788 132 0 95 520 132
@Pcs, 133 788 133 0 95 520 133
@Pcp, 134 788 134 0 95 520 134
@Pr, 135 788 135 0 71 520 135
@Pdc, 136 788 136 0 71 520 136
@Pmc, 137 788 137 0 0 520 137
@&lf, 138 805 138 0 0 520 138
Pp, 139 682 139 0 0 520 139
Pu, 140 682 140 0 0 520 140
Pc, 141 681 141 0 0 520 141
Mz, 142 0 142 0 71 520 142
MzPz, 143 0 143 0 71 520 143
P&f, 144 408 144 0 95 520 144
P&cf, 145 408 145 0 0 520 145
P&if, 146 408 146 0 0 520 146
P&s, 147 408 147 0 0 520 147
P&m, 148 408 148 0 0 520 148
P&w, 149 440 149 0 95 520 149
P&wm, 150 440 150 0 95 520 150
&m, 151 0 151 14 0 520 151
&b, 152 0 152 0 103 520 152
&mb, 153 0 153 14 0 520 153
&e, 154 0 154 12 95 520 154
&ee, 155 0 155 12 0 520 155
&mbe, 156 0 156 12 0 520 156
&h, 157 0 157 16 0 520 157
&rh, 158 0 158 15 0 520 158
&mr, 159 0 159 15 0 520 159
M_, 160 378 160 0 0 520 160
MDO, 161 448 161 0 0 520 161
DO_, 162 448 162 0 0 520 162
O_, 163 352 163 0 0 520 163
Or, 164 352 164 0 0 520 164
MD, 165 448 165 0 0 520 165
MD_, 166 435 166 0 0 520 166
DO, 167 448 167 0 0 520 167
_s, 168 171 168 0 0 520 168
Mm, 169 448 169 0 0 520 169
_l, 170 171 170 0 0 520 170
M_ml, 171 378 171 0 0 520 171
_am, 172 814 172 0 0 520 172
Yu, 173 32 173 0 135 520 173
YXu, 174 32 174 0 119 520 174
Xb, 175 0 175 18 0 520 175
Xfh, 176 44 176 0 7 520 176
Xq, 177 0 177 18 71 520 177
Wr, 178 319 178 0 0 520 178
Yp, 179 107 179 0 7 520 179
Yg, 180 169 180 0 7 520 180
Yam, 181 689 181 0 0 520 181
Xg, 182 91 182 0 71 520 182
Xm, 183 385 183 0 0 520 183
YXg, 184 348 184 0 71 520 184
H2O, 200 680 200 0 0 40 100
DECO.PAT
NAME P1 CCA HP CCB PATT MAJOR1 MINOR1
Pipe, 186 0 0 0 0 530 186
, (BLANK) 187 0 0 0 0 530 187
Ball, 190 1 201 0 0 530 190
Cog, (TEETH) 191 1 201 0 0 530 191
INDEX.PAT
NAME P1 CCA HP CCB PATT MAJOR1 MINOR1
Index map color, 199 47 17 0 0 530 199
Index map color, 199 31 3 0 0 530 199
Index map color, 199 79 57 0 0 530 199
Index map color, 199 723 97 0 0 530 199
LINE.PAT
NAME P1 MAJOR1 MINOR1
none 0 0 0
| Value | Definition |
|---|---|
| Qa | Modern alluvium |
| Qg | Gravels and alluviums (Pinedale and Bull Lake age) |
| Qgo | Older gravels and alluviums (Pre-Bull Lake age) |
| Qe | Eolian deposits (Quaternary) |
| Qeo | Older eolian deposits (Quaternary) |
| Qd | Glacial drift of Pinedale and Bull Lake glaciations |
| Qdo | Older glacial drift (Pre-Bull Lake age) |
| Qb | Basalt Flows (Age <1.8 M.Y.) |
| QTsa | Unclassified surficial deposits and underlying Alamosa Formation |
| QTa | Ancient Alluvium |
| To | Ogallala Formation |
| Tgv | Bouldery gravel on old erosion surfaces in front range and never summer mountains |
| Ta | Arikaree formation |
| Twr | White river formation or group |
| Th | Huerfano formation |
| Tcu | Cuchara formation |
| Tpc | Poison canyon formation |
| Tdu | Upper part of Dawson arkose |
| Tbp | Browns park formation |
| Tt | Troublesome formation |
| Tnp | North park formation |
| Tos | Oligocene sedimentary rocks |
| Tu | Uinta formation |
| Tb | Bridger formation |
| Tg | Green river formation |
| Tfp | Parachute creek memeber - Green river formation |
| Tgl | Lower part - Green river formation |
| Tglm | Laney member - Green river formation |
| Tgt | Tipton tongue - Green river formation |
| Tglu | Luman tongue - Green River formation |
| Tglw | Lower part of Green river formation |
| Tw | Wasatch formation |
| Twc | Cathedral bluffs tongue - Wasatch formation |
| Twn | Niland tongue - Wasatch formation |
| Two | Wasatch formation and Ohio creek formation |
| Tf | Fort union formation |
| Tc | Coalmont formation |
| Tm | Middle park formation exclusive of windy gap member |
| Td | Dry union formation |
| Ts | Santa Fe formation |
| Tos | Oligocene sedimentary rocks |
| Te | Eocene prevolcanic sedimentary rocks |
| Tsp | South park formation |
| Tlp | Los Pinos formation |
| Tsj | San Jose formation |
| Tn | Nacimiento formation |
| Tbb | Basalt flows and associated tuff, breccia, and conglomerate of late-volcanic bimodal suite |
| Tbbi | Basaltic intrusive rocks related to basalt flows |
| Tbr | Rhyolitic intrusive rocks and flows of late-volcanic bimodal suite |
| Tbrt | Ash-flow tuff of late-volcanic bimodal suite |
| Taf | Ash-flow tuff of main volcanic sequence |
| Tial | Intra-ash flow andesitic lavas |
| Tiql | Intra-ash-flow quartz latitic lavas |
| Tpl | Pre-ash-flow andesitic lavas, breccians, tuffs, and conglomerates |
| Twm | Wall mountain tuff |
| Tv | Volcanic rocks in northwestern Colorado |
| Tui | Upper Tertiary intrusive rocks |
| Tmi | Middle tertiary intrusive rocks |
| TKda | Denver and Arapahoe formations |
| Tdv | Basaltic flows in Denver formation near Golden |
| TKdl | Denver formation or lower part of Dawson arkose |
| TKr | Raton formation |
| TKa | Animas formation |
| TKec | Telluride conglomerate of Eocene prevolcanic sedimentary rocks and Cimarron ridge formation |
| TKi | Laramide intrusive rocks |
| Kl | Laramie formation |
| Kf | Fox hills sandstone |
| Klf | Laramie formation and fox hills sandstone |
| Kvt | Vermejo formation and Trinidad sandstone |
| Kp | Perre shale, undivided |
| Kpu | Upper unit - Pierre shale |
| Kpl | Lower unit - Pierre shale |
| Kn | Niobrara formation |
| Kcg | Carlile shale, greenhorn limestone, and graneros shale |
| Kc | Colorado group |
| Kpg | Pierre shale, Niobrara, and Carlile, Greenhorn, and Graneros formations, undivided |
| Kdp | Dakota sandstone and Purgatoire formation |
| Kd | Dakota sandstone or group |
| Kl | Lance formation |
| Kmv | Windy gap memeber |
| Kls | Lewis shale |
| Kmv | Mesaverde formation, undivided |
| Kmvu | Upper part - Mesaverde group |
| Kmvl | Lower part - Mesaverde group |
| Kw | Williams fork formation |
| Ki | Iles formation |
| Ksc | Sego sandstone, Buck tongue of Mancos shale, and Castlegate sandstone |
| Kh | Hunter canyon formation |
| Kmgs | Mount Garfield formation and Sego sandstone |
| Km | Mancos shale |
| Kmfm | Frontier sandstone and Mowry shale members and intervening shale zone |
| Kfd | Frontier sandstone and Mowry shale members of Mancos shale and Dakota sandstone |
| Kdb | Dakota sandstone and Burro canyon formation |
| Kkf | Kirtland shale and Fruitland formation |
| Kpcl | Pictured cliffs sandstone and Lewis shale |
| Kch | Cliff house sandstone |
| Kmp | Menefee formation and Point lookout sandstone |
| KJdm | Dakota and Morrison formations |
| KJdj | Dakota, Burro canyon, Morrison, and Junction creek formations |
| KJdw | Dakota, Burro Canyon, Morrison, and Wanakah formations |
| KJdr | Dakota group and Morrison and Ralston creek formations at mountain front between Boulder and Colorado Springs |
| KJde | Dakota and other formations depending on location |
| KJds | Dakota, Morrison, and Sundance formations |
| Jm | Morrison formation |
| Jmj | Morrison formation and Junction creek sandstone |
| Jmc | Morrison formation and curtis formation |
| Jmw | Morrison formation and Wanakah formation |
| Jmr | Morrison formation and Ralston creek formation |
| Jme | Morrison formation and Entrada sandstone |
| Jms | Morrison formation and Sundance formation |
| Jmse | Morrison formation, Summerville formation, and Entrada sandstone |
| Jmce | Morrison, Curtis, and Entrada formations |
| Jmre | Morrison, Ralston creek, and Entrada formations |
| Jmwe | Morrison, Wanakah, and Entrada formations |
| J@g | Glen canyon sandstone |
| J@gc | Glen canyon group and Chinle formation |
| J@mg | Morrison, Curtis, Entrada, and Glen canyon formations |
| J@mc | Morrison, Entrada, and Chinle formations |
| @kc | Kayenta formation, Wingate sandstone, and Chinle formation |
| @wc | Wingate sandstone and Chinle formation |
| @m | Moenkopi formation |
| @ch | Chugwater formation |
| @cc | Chinle and Chugwater formations |
| @c | Chinle formation |
| @d | Dolores formation |
| @dg | Dockum group |
| @Pl | Lykins formation |
| @Ps | State bridge formation |
| @Pll | Lykins formation and Lyons sandstone |
| @Pjs | Jelm, Lykins, Lyons, and Satanka formations |
| @Pcs | Chinle and State bridge formations |
| @Pcp | Chinle, Moenkopi, and Park City formations |
| @Pr | Triassic and Permian rocks |
| @Pdc | Dolores formation and Cutler formation |
| @Pmc | Moenkopi formation and Cutler formation |
| @&lf | Lykins, Lyons, and Fountain formations |
| Pp | Park city formation |
| Pu | Upper Permian rocks, undivided |
| Pc | Cutler formation |
| Mz | Mesozoic rocks |
| MzPz | Mesozoic and Paleozoic rocks |
| P&f | Fountain formation |
| P&cf | Casper formation and Lower part of Fountain formation |
| P&if | Ingleside formation and Fountain formation |
| P&s | Sangre de Cristo formation |
| P&m | Maroon formation |
| P&w | Weber sandstone |
| P&wm | Weber sandstone and Maroon formation |
| &m | Minturn formation in west-central and south-central and other units of middle Pennsylvanian age |
| &b | Belden formation |
| &mb | Minturn and Belden formations |
| &ee | Evaporitic facies |
| &mbe | Evaporitic facies of Minturn and Belden formations in South Park and southward |
| &h | Hermosa formation |
| &rh | Rico and Hermosa formations |
| &mr | Morgan formation and Round Valley limestone |
| M_ | Leadville limestone, Williams canyon limestone, Manitou limestone, and Sawatch quartzite |
| MDO | Leadville limestone, Williams canyon limestone, and one or more Ordovician formations |
| DO_ | Williams canyon limestone, Manitou Limestone, and Sawatch quartzite |
| O_ | Manitou limestone and Sawatch quartzite |
| Or | One or more Ordovician formations |
| MD | Leadville limestone, Gilman sandstone, Dyer dolomite, and parting formation |
| MD_ | Leadville, Gilman, Dyer, Parting, and Sawatch formations |
| DO | Parting, Fremont, and Harding formations |
| _s | Sawatch quartzite |
| Mm | Madison limestone |
| _l | Lodore formation |
| M_ml | Madison limestone and Lodore formation |
| Md_ | Leadville Limestone, Ouray Limestone, Elbert formation, and Ignacio quartzite |
| _am | Alkalic nad mafic intrusive rocks in small plutons, and diabase dikes |
| Yu | Uinta mountain group |
| YXu | Uncompahgre formation |
| Xb | Biotitic gneiss, schist, and migmatite |
| Xfh | Felsic and hornblendic gneiss |
| Xq | Quartzite, conglomerate, and interlayered mica schist |
| Wr | Red creek quartzite |
| Yp | Rocks of Pikes peak batholith |
| Yg | Granitic rocks of 1,400-M.Y. age group |
| Yam | Alkalic and mafic rocks in small plutons, and diabase and gabbro dikes |
| Xg | Granitic rocks of 1,700-M.Y. age group |
| Xm | Mafic rocks of 1,700-M.Y. age group |
| YXg | Granitic rocks of 1,400- and 1,700-M.Y. age groups |
The author wishes to thank Richard Taylor for storing and protecting the original Geologic Map of Colorado scribe sheets and negatives, Margaret Clemensen for assistance in preparing the explanation sheet and Scott Hogan and Kirsten Findell for review of the digital map; all are with the USGS.
The author wishes to thank Randy Phillips of the Colorado State Geologic Survey for creating the TWETO.SHD shadeset.
This dataset was developed to provide geologic map GIS database of Colorado for use in future spatial analysis by a variety of users.
This database is not meant to be used or displayed at any scale other than 1:500,000.
Are there legal restrictions on access or use of the data?Access_Constraints: none
Use_Constraints:This database is not meant to be used or displayed at any scale other than 1:500,000.
Any hardcopies utilizing these data sets shall clearly indicate their source. If the licensee has modified the data in any way they are obligated to describe the types of modifications they have performed on the hardcopy map. Licensee specifically agrees not to misrepresent these data sets, nor to imply that changes they made were approved by the U.S. Geological Survey.
This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey (USGS) editorial standard nor with the North American stratigraphic codes. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the USGS. Although these data have been used by the USGS and have been successfully imported into data base programs, no warranty, expressed or implied, is made by the USGS as to how successfully or accurately the data can be imported into any specific application software running on any specific hardware platform. The fact of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in connection therewith. This data base GIS is not meant to be used or displayed at any scale other than 1:500,000.
| Data format: | Geologic units and structural features in format ARCE (version 6.1.2) Size: 11 |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1992/ofr-92-0507/downloads/Data_OF92_0507.zip |
| Data format: | Explanations and ancillary textual information in format Plain text Size: 0.0508 |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1992/ofr-92-0507/downloads/Files_OF92_0507.zip |