Gamble, B.M, Reed, B.L., Richter, D.H, and Lanphere, M.A, 2013, Geologic map of the east half of the Lime Hills 1:250,000-scale quadrangle, Alaska: Open-File Report 2013-1090.Online Links:
This is a Vector data set.
Planar coordinates are encoded using coordinate pair
Abscissae (x-coordinates) are specified to the nearest 0.000256
Ordinates (y-coordinates) are specified to the nearest 0.000256
Planar coordinates are specified in meters
The horizontal datum used is North American Datum of 1927.
The ellipsoid used is Clarke 1866.
The semi-major axis of the ellipsoid used is 6378206.4.
The flattening of the ellipsoid used is 1/294.9787.
| Value | Definition |
|---|---|
| 1 | CONTACT; CERTAIN |
| 2 | CONTACT; APPROXIMATE |
| 3 | CONTACT; INFERRED |
| 4 | NORMAL FAULT; CERTAIN |
| 5 | NORMAL FAULT; APPROXIMATE |
| 7 | WATER BOUNDARY |
| 8 | HIDDEN LINE; INTERNAL CONTACT |
| 15 | GLACIER BOUNDARY |
| 19 | MORAINE |
| 51 | CONTACT; CONCEALED |
| 52 | NORMAL FAULT; CONCEALED |
| 99 | MAP BOUNDARY |
| Value | Definition |
|---|---|
| CONTACT; CERTAIN | Stratigraphic contact; location certain |
| CONTACT; APPROXIMATE | Stratigraphic contact; location approximate |
| CONTACT; INFERRED | Stratigraphic contact; location inferred |
| NORMAL FAULT; CERTAIN | Normal fault; location certain |
| NORMAL FAULT; APPROXIMATE | Normal fault; location approximate |
| WATER BOUNDARY | Water boundary |
| HIDDEN LINE; INTERNAL CONTACT | Arc which does not appear on the printed map; Defines boundaries of overprint patterns within the polygon for a geologic unit |
| GLACIER BOUNDARY | Glacial boundary |
| MORAINE | Glacial moraine |
| CONTACT; CONCEALED | Contact; location concealed |
| NORMAL FAULT; CONCEALED | Normal fault; location concealed |
| MAP BOUNDARY | Boundary of the map area |
| Value | Definition |
|---|---|
| 101 | ICE |
| 102 | WATER |
| 104 | Tbr - Big River pluton (Tertiary?) |
| 105 | Twf - Windy Fork pluton (Oligocene) |
| 109 | TKlf - Lyman Fork plutons (Tertiary or Cretaceous?) |
| 110 | Tmp - Merrill Pass pluton (Tertiary) |
| 113 | Tmpg - Merrill Pass granodiorite (Tertiary?) |
| 114 | Ttq - Telequana Pass pluton (Tertiary) |
| 116 | Tsf - South Fork stock (Tertiary?) |
| 117 | TKm - Goldpan Peak gabbro (Tertiary or Cretaceous?) |
| 118 | Tcp - Chilligan porphyry (Tertiary) |
| 119 | Tgb - Gabbro (Tertiary) |
| 121 | Tnm - Necola Mountains pluton (Tertiary) |
| 124 | TKtp - Tex Peak gabbro (Tertiary or Cretaceous?) |
| 125 | Trg - Massive greenstone member of the Chilikadrotna Greenstone (Late Triassic) |
| 127 | Tig - Igitna granite (Tertiary?) |
| 128 | Kqm - Quartz monzodiorite stocks (Cretaceous) |
| 131 | Tse - Snowcap east pluton (Tertiary?) |
| 132 | Th - Hartman plutons (Tertiary) |
| 134 | Tme - Mount Estelle pluton (Tertiary) |
| 135 | TKmg - Mount Estelle gabbro (Tertiary or Cretaceous?) |
| 137 | Ksp - Sled Pass pluton (Cretaceous) |
| 138 | Tmr - Mount Rich pluton (Tertiary) |
| 139 | Thi - Hypabyssal intrusions (Tertiary?) |
| 141 | Tjc - Johnson Creek pluton (Tertiary) |
| 142 | Tcc - Crystal Creek pluton (Tertiary) |
| 144 | Kgb - South Fork gabbro (Cretaceous) |
| 147 | Tqc - Quartz crystal pluton (Tertiary?) |
| 148 | TKag - Apocalypse gabbro (Tertiary or Cretaceous?) |
| 150 | Tv - Volcanic rocks (Tertiary, earliest Oligocene to Eocene) |
| 160 | Ks - Sedimentary rocks, undifferentiated (Cretaceous) |
| 162 | KJkr - Koksetna River sequence(?) (Cretaceous to Jurassic) |
| 164 | Trv - Chilikadrotna Greenstone (Late Triassic) |
| 170 | TKiu - Undifferentiated plutonic rocks (Tertiary and Cretaceous?) |
| 171 | Tmf - Middle Fork stock (Tertiary) |
| 190 | Pzs - Mystic and Dillinger sequences of Farewell terrane of Decker and others (1994) (Pennsylvanian? to Cambrian) |
| 195 | TKgs - Orthogneiss (Tertiary or Cretaceous?) |
| 200 | Qa - Alluvial deposits (Holocene) |
| 201 | Qaf - Alluvial fan deposits (Holocene) |
| 203 | Qs - Surficial deposits, undivided (Holocene to Pleistocene) |
| 204 | Qg - Glacial deposits, undivided (Holocene to late Pleistocene?) |
| 207 | Qr - Rock glaciers (Holocene to Pleistocene) |
| 208 | Ql - Landslide deposits (Holocene to late Pleistocene?) |
| 901 | Ttp - Tired Pup pluton (Tertiary) |
| 902 | Tnep - Nep pluton (Oligocene) |
| 1012 | Ttpl - Tired Pup pluton leucogranite (Tertiary) |
| 1121 | TKsg - Sled Pass gabbro (Tertiary or Cretaceous?) |
| 1195 | Tt - Tlikikila stock (Tertiary) |
| 1292 | Tsr - Stony River pluton (Tertiary) |
| 1335 | Tms - McKinley sequence(?) granites (Tertiary) |
| 1366 | TKnr - Necons River pluton (Tertiary or Cretaceous?) |
| 1705 | Ttc - Terra Cotta plutons (Tertiary) |
| Value | Definition |
|---|---|
| DIKES | Concentrations of dikes greater than 50 percent. Listed in unit descriptions as TKd, but shown on map as overprint only. |
| Q | Queried units |
This digital coverage was created by Keith Labay, USGS, Nora Shew, USGS, and Devon Peterson (contractor).
907-786-7479 (voice)
bgamble@usgs.gov
Digital representation of geologic mapping facilitates the presentation and analysis of earth-science data. Digital maps may be displayed at any scale or projection, however the geologic data in this coverage is not intended for use at a scale larger than 1:250,000.
Person who carried out this activity:
907-786-7410 (voice)
klabay@usgs.gov
All vector features were originally hand digitized from a folded paper map using a large digitizing tablet , or from a scanned image on screen. The digital data has been visually checked and the geologic map has undergone technical review.
Users of this digital geologic map should respect the intentions of the original mappers and the limitations of the map. This geologic map compilation is intended to be used at a scale of 1:250,000; it is not intended to be used at a more detailed scale.
This coverage was used to create the map of OFR 2013-1090. Text files, tables, graphics, symbolsets, and topography shown on the map sheet are not included.
Coverage lhgeol is a network coverage containing attributed arcs and polygons. Each polygon has a coded attribute designating the mapped geologic unit. Faults, stratigraphic contacts, and other linear features are represented as arcs. When a fault is also a stratigraphic contact, only a single arc is present. Dangle arcs may be present (faults, moraine, etc.)
Are there legal restrictions on access or use of the data?
- Access_Constraints: None
- Use_Constraints:
- Acknowledgement of the U.S. Geological Survey would be appreciated in products derived from this data.
303-202-4200 or 1-888-ASK-USGS (voice)
Open-File Report 2013-1090
Although this data has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data, software, or related materials.
| Data format: | Open-File Report 2013-1090 (version 1.0) |
|---|---|
| Network links: |
<http://pubs.usgs.gov/of/2013/1090/> |
907-786-7410 (voice)
klabay@usgs.gov