 | | Report (issue) | | FIELD, SOUTHWESTERN COLORADO By Peter W. Lipman, and David A. Sawyer Denver, Colorado [Open-File Report...stratigraphic nomenclagure for volcanic rocks near Creede -- ______ -- .__._. .. .--(oversize) ABSTRACT...Tuff erupted at 27.60 Ma; a small remnant of the Creede caldera from which the Snowshoe Mountain Tuff erupted...of the economically important Creede silver-lead-zinc mining district is contained within the San Luis...contains much of the economically important Creede mining district (Steven and Ratte, 1965), intersecting |  | | Report (volume) | | 718 GEOLOGY AND ORE DEPOSITS OF THE ' CREEDE DISTRICT, COLORADO BY WILLIAM H. EMMONS AND ESPER S. LARSEN................................................. Mining and treatment of ores............................... Creede formation...................................................... Fisher quartz latite.................................... Outlet Tunnel quartz latite........................................... ................................ Phoenix Park quartz latite........................................... General |  | | Report (issue) | | organization is carrying on for the direct advancement of mining interests throughout the country than can readily...two parts, the second part comprising papers on mineral fuels. These volumes for 1906, 1907, 1908, 1909...GOLD LODES OF THE CARRVILLE DIS TRICT, TRINITY COUNTY, CALIFORNIA. By DONALD FRANCIS MACDONALD. INTRODUCTION...writer spent 10 days in the Carrville district, Trinity County, Cal., and, incidental to other work,... gathered some data on its mining geology. A paper on the gold gravels x was pub lished, but baggage |  | | Thesis/Dissertation | | TDfl SbQ AEEAL GEOLOGY OF 0?HS CREEDE DISTRICT, COLORADO. By ' X ESEBR S* H B LARSEIT. S...Approved: The Areal Geology of The Greede Mining District, Esper 3. Larson. COKTEIIT3 Chapter I...Upper division The Creede formation The llacXenzie 26 .'-.fountain quartz latite 26 Intrusive rocks...29 29 General statement Outlet. 1?unnel quartz latite General character and occurrence Petrography...volcanic series GeneraX statement Hornblende- quartz latite General character and Distribution Thi Petrography |  | | Report (volume) | | 1420 Mineral Resources of the La Garita Wilderness, San uan Mountains, Sout iwestern Colorado By THOMAS... SURVEY BULLETIN 1420 An evaluation of the mineral potential of the area UNITED STATES GOVERNMENT...Garita Wilderness, San Juan Mountains, southwestern Colorado. (Studies related to wilderness wilderness areas)...Supt.ofDocs.no.: 119.3:1420 1. Mines and mineral resources Colorado La Garita Wilderness. I. Bieniewski,...survey these wilderness areas to determine the mineral values, if any, that may be present. The act also |  | | Report (issue) | | Control of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY PROFESSIONAL...487 Prepared in cooperation with the Colorado State Metal Mining Fund Board Geology and Structural Control...Control of Ore Deposition in the Creede District San Juan Mountains Colorado , By THOMAS A. STEVEN and JAMES...487 ·Prepared in cooperation with the Colorado State Metal Mining Fund Board UNITED STATES GOVERNMENT...________________________________ _ La Garita Quartz Latite ________________________ _ Rhyolite of Miners |  | | Report (volume) | | Notes on the gold lodes of the Carrville district, Trinity County, Cal., by D. F. MacDpnald...............preliminary report on the geology and ore deposits of Creede, Colo., by W. H, Emmons and E. S. Larsen.........account of the ore deposits of the Loon Creek district, Idaho, byJ. B.Umpleby................................................. Notes on the Antelope district, Nev., by F. C. Schrader................... Notes...Notes on the northern La Sal Mountains, Grand County, Utah, by J. M. Hill. Survey publications on gold |  | | Report (issue) | | GEOLOGICAL SURVEY PRELIMINARY SCIENTIFIC RESULTS OF THE CREEDE CALDERA CONTINENTAL SCIENTIFIC DRILLING PROGRAM...CENTRAL SAN JUAN CALDERA CLUSTER: RESULTS FROM CREEDE DRILL-HOLE SAMPLES AND IMPLICATIONS FOR REGIONAL...drill-core samples of tuffs associated with the Creede and San Luis calderas in the Oligocene San Juan...(Or~0). Drill-core samples of tuff from deep in the Creede caldera moat resemble Snowshoe Mountain Tuff in...channel (Creede Formation, Bulldog Mountain area) eroded into the north wall of the Creede caldera appear |
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