Online Links:
| Value | Definition |
|---|---|
| 1 | Stratigraphic or intrusive contact, location certain |
| 2 | Stratigraphic or intrusive contact, location approximate or inferred |
| 4 | Normal fault, location certain |
| 5 | Normal fault, location approximate or inferred |
| 7 | Shoreline or riverbank |
| 9 | Boundary of melange zone (invisible line, used to enclose an overprinting pattern) |
| 11 | Thrust fault, location approximate, teeth on right from origin |
| 15 | Ice contact |
| 30 | Fault, sense of displacement unknown, location certain |
| 32 | Fault, sense of displacement unknown, location approximate or inferred |
| 49 | Dike, Early Cretaceous |
| 50 | Dike, Tertiary |
| 51 | Stratigraphic or intrusive contact, concealed by younger deposits |
| 52 | Fault, sense of displacement unknown, concealed by younger deposits |
| 53 | Thrust fault, teeth on right from origin, concealed by younger deposits |
| 88 | Right-lateral fault, location approximate or inferred |
| 91 | Left-lateral fault, location approximate or inferred |
| 99 | Bounding line |
| Value | Definition |
|---|---|
| 1 | Ice |
| 10 | Jsm - Seldovia metamorphic complex (Early Jurassic metamorphic age) |
| 32 | Jc - Chinita Formation (Upper Jurassic, Callovian) |
| 47 | Jn - Naknek Formation (Upper Jurassic, Oxfordian to Kimmeridgian) |
| 50 | Jtu - Tuxedni Group (Middle to Upper Jurassic, Bajocian to Callovian) |
| 57 | Water |
| 60 | JTrp - Port Graham Formation (Upper Triassic and Lower Jurassic) |
| 67 | Jt - Talkeetna Formation (Lower Jurassic; Hettangian to Toarcian) |
| 71 | Kv - Valdez Group |
| 72 | Kk - Kaguyak Formation (Upper Cretaceous, Maastrichtian) |
| 74 | KPmc - McHugh Complex, chert and basalt (Triassic to Cretaceous) |
| 75 | KPms - McHugh Complex, graywacke and conglomerate (Jurassic to Cretaceous) |
| 77 | KPm - McHugh Complex, undivided (Permian to Cretaceous) |
| 78 | Tb - Beluga Formation (Miocene) |
| 79 | Twf - West Foreland Formation (Eocene) |
| 80 | Ts - Sterline Formation (Miocene to Pliocene) |
| 81 | Tt - Tyonek Formation (Oligocene to Miocene) |
| 82 | Qs - Surficial deposits (Quaternary) |
| 105 | Qv - Iliamna lava flows (Quaternary) |
| 110 | Mu - Ultramafic plutonic rocks (Mesozoic) |
| 111 | Jd - Diorite of Point Bede (Jurassic) |
| 112 | Mg - Gabbro (Mesozoic) |
| 113 | Tg - Granodiorite (Eocene) |
| 115 | J(?)f - Felsite (Jurassic?) |
| 116 | Jto - Tonalite of Dogfish Bay (Jurassic) |
| 1071 | Kvm - Melange of Iceworm Peak (Upper Cretaceous) Kd - Intermediate dike (Early Cretceous) (although this is a legitimate map unit, the rock bodies are too narrow to map as polygons, hence are shown as lines with arc-code = 49) Td - Intermediate, felsic, and mafic dikes (Tertiary) (although this is a legitimate map unit, the rock bodies are too narrow to map as polygons, hence are shown as lines with arc-code = 50) |
Digital representation by Kelly Brunt (Raytheon STX contractor), D. Thomas Donley, and Patti Phillips
Digital representation of geologic mapping of the Seldovia quadrangle, Alaska, is to facilitate the presentation and analysis of earth-science data. Digital maps can be displayed at any scale or projection, however the geological data in this coverage is not intended for use at a scale larger that 1:250,000.
svgeol.e00 geology (arcs and polygons) svfold.e00 fold axial traces svisograd.e00 metamorphic isograds svquad.e00 outlines of 1:63,360 scale quadrangles svsandd.e00 attitudes of bedding and foliation svtopo.e00 vectorized contours, not shown over glaciers svwells.e00 exploration wells
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 these data.
Although all this data has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the acccuracy 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: | in format ARCE (version 8.x) Size: 6.5 |
|---|---|
| Network links: |
http://pubs.usgs.gov/of/1999/of99-018/data.zip |