Geology of the Three Forks quadrangle, Montana / by G.D. Robinson ; with sections on petrography of igneous rocks, by H. Frank Barnett.
| Author/creator |
Robinson, G. D. (Gershon Du Vall), 1918- |
| Other author/creator | Barnett, H. Frank, 1921- contributor. |
| Other author/creator | Geological Survey (U.S.) |
| Format | Map, Book, and Print |
| Publication Info | [Washington D.C.] : U.S. Geological Survey, 1963. |
| Manufacture Info | Washington [D.C.] : U.S. Government Printing Office |
| Description | iv, 143 pages, 4 unnumbered folded leaves of plates (in pocket) : illustrations, maps (2 color), diagrams, tables ; 29 cm. |
| Supplemental Content | https://doi.org/10.3133/pp370 |
| Subject(s) |
Click here for more information about this title
| Cartographic data | Scale 1:48,000 (W 111°45ʹ--W 111°30ʹ/N 46°00ʹ--N 45°54ʹ). |
| Cartographic data | Scale 1:96,000 (W 111°45ʹ--W 111°30ʹ/N 46°00ʹ--N 45°54ʹ). |
| Series | Geological Survey (U.S.). Professional paper ; 370 Geological Survey professional paper ; 370. ^A16492 |
| Contents | Abstract -- Introduction -- Previous work -- Acknowledgments -- Geography -- Terrain -- Flora and fauna -- Climate -- History and settlements -- Travel -- Precambrian metamorphic rocks -- Gneiss and amphibolite -- Hematitic phyllonite -- Origin -- Age -- Regional relations -- Sedimentary rocks -- Precambrian-Belt series -- North Boulder formation -- Paleozoic -- Cambrian -- Names and correlations of Cambrian formations -- Flathead sandstone -- Wolsey shale -- Meagher limestone -- Park shale -- Pilgrim limestone -- Devonian and Lower Mississippian -- Maywood formation -- Jefferson dolomite -- Three Forks shale -- Carboniferous -- Names and general correlation of Carboniferous formations -- Madison group -- Lodgepole limestone -- Mission Canyon limestone -- Big Snowy formation -- Amsden formation -- Quadrant formation -- Permian -- Phosphoria formation -- Mesozoic -- Jurassic -- Ellis formation -- Morrison formation -- Cretaceous -- Kootenai formation -- Cenozoic -- Tertiary -- Bozeman group -- Names and correlation of units -- Sphinx conglomerate -- Milligan Creek formation -- Climbing Arrow formation -- Dunbar Creek formation -- Middle and upper Tertiary gravel -- Quaternary -- Old alluvium -- Rounded gravel -- Subrounded gravel -- Origin of old alluvium -- Fan gravel -- Silt -- Young alluvium -- Age and stratigraphic relations of Quaternary deposits -- Igneous rocks -- Upper Cretaceous and lower Tertiary -- Extrusive rocks -- Elkhorn Mountains volcanics -- Petrography / H. Frank Barnett -- Andesite -- Porphyritic perlite -- Correlation and age -- Intrusive rocks -- Quartz monzonite and related rocks -- 10N pluton -- Thick sill west of Spring Creek -- Petrography / H. Frank Barnett -- Age -- Latite -- Pluglike bodies -- Thick sills -- Thin sills -- Petrography / H. Frank Barnett -- Age -- Andesite -- Sills south of Milligan Canyon -- Intrusive rocks north of Milligan Canyon -- Petrography / H. Frank Barnett -- Age -- Summary of age relations -- Igneous rocks intrusive into Tertiary rocks -- Olivine basalt -- Petrography / H. Frank Barnett -- Age -- Some petrologic relations -- Structure -- Summary of structural history -- Structure of Precambrian crystalline rocks -- Structural significance of Precambrian sedimentary rocks -- Laramide structural features -- Early folding -- Steep faults older than thrusting -- Thrust faults -- Sixteenmile thrust zone -- Lombard thrust -- Highway thrust -- Jefferson Canyon thrust -- Minor thrusts -- Thrust displacement -- Time relations of folding and thrusting -- Steep faults in upper plate of Highway thrust -- Other steep faults closely related to thrusting -- Steep faults younger than thrusting -- Origin of Cenozoic basin -- Post-Laramide structural features -- Geomorphology -- Hills -- Benches -- Streams -- Origin of benched terrain -- Geologic history -- Economic geology -- Construction materials -- Glass sand -- Mica -- Phosphate rock -- Iron and manganese -- Copper -- Outlook for future discoveries of ore deposits -- Petroleum possibilities -- Measured sections in pre-Tertiary rocks -- Section A -- Section B -- Section C -- Section D -- References -- Index. |
| Contents | Plate 1. Geologic map and sections of the Three Forks quadrangle, Montana -- Plate 2. Data map, Three Forks quadrangle, Montana -- Plate 3. Structural diagram, Three Forks quadrangle, Montana. |
| Abstract | A comprehensive restudy of a classic area of Rocky Mountain geology at the head of the Missouri River. |
| Local note | Joyner- FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9. |
| Bibliography note | Includes bibliographical references (pages 135-140) and index. |
| Other forms | Also available via the World Wide Web. |
| Issued in other form | Online version: Robinson, G.D. (Gershon Du Vall), 1918-. Geology of the Three Forks quadrangle, Montana |
| Genre/form | geological maps. |
| Genre/form | quadrangle maps. |
| Genre/form | Quadrangle maps. |
| Genre/form | Maps. |
| Genre/form | Geological maps. |
| Genre/form | Geological maps. |
| Genre/form | Quadrangle maps. |
| Genre/form | Cartes géologiques. |
| Genre/form | Coupures cartographiques. |
| Other title | Geologic map and sections of the Three Forks quadrangle, Montana. |
| Other title | Data map, Three Forks quadrangle, Montana. |
| Other title | Structural diagram, Three Forks quadrangle, Montana. |
| Other title | Three Forks quadrangle, Montana. |
| LCCN | gs 63000240 |
| Govt. docs number | I 19.16:370 |
Available Items
| Library | Location | Call Number | Status | Item Actions | |
| Joyner | General Stacks | QE75 .P9 NO. 367-371 | ✔ Available | Place Hold |
Items Bound With This Item
Landslides along the Columbia River Valley, northeastern WashingtonGeology and ore deposits of the Darwin quadrangle, Inyo County, California
Geology of San Nicolas Island, California
Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado