Online Links:
| Value | Definition |
|---|---|
| H2O | Body of water |
| af | Artificial fill (latest Holocene) |
| Qfp | Flood-plain and stream-channel deposits (Holocene and late Pleistocene) |
| Qty | Younger terrace alluvium (late Pleistocene) |
| Qto | Older terrace alluvium (middle Pleistocene) |
| Qtt | Oldest terrace alluvium (middle Pleistocene) |
| Qg | Gravelly alluvium (middle Pleistocene) |
| Qfy | Younger fan alluvium (Holocene and latest Pleistocene) |
| Qac | Undivided alluvium and colluvium (Holocene and late Pleistocene) |
| Qp | Pediment deposits (middle Pleistocene) |
| Qc | Colluvium, undivided (Holocene and late Pleistocene) |
| Qdy | Younger debris-flow deposits (Holocene and late Pleistocene) |
| Qsw | Sheetwash deposits (Holocene and late Pleistocene) |
| Qls | Landslide deposits (Holocene and late Pleistocene) |
| Qta | Talus deposits (Holocene and late Pleistocene) |
| Qlo | Loess (late and middle Pleistocene) |
| Tw | Wasatch Formation (Eocene and Paleocene) |
| Kmv | Mesaverde Group rocks, undivided (Upper Cretaceous) |
| Km | Mancos Shale (Upper Cretaceous) |
| Value | Definition |
|---|---|
| 24 | af |
| 38 | Qty |
| 34 | Qto |
| 40 | Qtt |
| 60 | Qg |
| 1 | Qfy |
| 3 | Qac |
| 218 | Qp |
| 2 | Qc |
| 5 | Qsw |
| 4 | Qls |
| 36 | Qta |
| 65 | Qdo |
| 37 | Qlo |
| 62 | Tw |
| 78 | Kmv |
| 80 | Km |
| Value | Definition |
|---|---|
| CONTACT, CERTAIN | Observed contact |
| map boundary, | Boundary of mapped area |
| water boundary | Boundary of a body of water |
| scratch boundary | Location scratch boundary |
| Value | Definition |
|---|---|
| 25 | contact, certain, water boundary, and map boundary |
| Value | Definition |
|---|---|
| Qlo | Loess (late and middle Pleistocene) |
| (blank) | unknown |
| Value | Definition |
|---|---|
| f.a., monocline, certain | Monoclinal fold axis whose position is known |
| f.a., monocline, concealed | Concealed monoclinal fold axis whose position is inferred |
| map boundary | Boundary of mapped area |
| Value | Definition |
|---|---|
| bedding | Bedding orientation |
| flat bedding | Bedding whose dip is zero |
| Range of values | |
|---|---|
| Minimum: | 0 |
| Maximum: | 52 |
| Units: | degrees |
| Resolution: | 1 |
| Range of values | |
|---|---|
| Minimum: | 0 |
| Maximum: | 216 |
| Units: | degrees |
| Resolution: | 1 |
| Value | Definition |
|---|---|
| 1 | bedding |
| 4 | flat bedding |
The authors acknowledge the assistance of G.N. Green in preparation of the digitized version of this geologic map.
To provide to the public a digital geologic map of the Silt quadrangle, Garfield county, Colorado.
Online Links:
Are there legal restrictions on access or use of the data?Access_Constraints: None
Use_Constraints: None
This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although these data have been used by the U.S. Geological Survey 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.
| Data format: |
ARC/INFO export files Description of coverage st3.e00 line and polygon data set stloess.e00 loess polygon data set ststr.e00 structure data setin format ARCE (version 7.x) |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1994/ofr-94-0696/st3.e00 http://pubs.usgs.gov/of/1994/ofr-94-0696/stloess.e00 http://pubs.usgs.gov/of/1994/ofr-94-0696/ststr.e00 |