 | | Report (issue) | | in the Wet Mountains Area, Custer and Fremont Counties, Colorado Chemical and Mineralogical Data By T...in the Wet Mountains Area, Custer and Fremont Counties, Colorado Chemical and Mineralogical Data By T...assess the resource potential of the Wet Mountains, Colorado thorium province (Armbrustmacher, 1976). The carbonatites... 1967), the complex at Democrat Creek, and the quartz-barite-thorite veins of the Wet Mountains thorium...the Wet Mountains has also been reported for Road Gulch (Staatz and Conklin, 1967), the Gem Park area |  | | Journal (article/letter/editorial) | | ites fromthe Wet MountainsArea, Fremont and Custer Counties,Colorado TnEOr)ORE J. ARMBRUSTMACHER Abstract...Mountainsareapossesshave been describedincludingRoad Gulch (Staatz distinctivepetrographiccharacteristics that...that are used and Conklin, 1967), McCoy Gulch (Heinrich and in this report to classifythem as replacement...and sions,especially to the southeast, is a setof quartz- surrounding country rock have been grouped by...atitesand spathic hostrockstypicallyshowlossof quartz,have other rock types, especiallylamprophyresand |  | | Journal (article/letter/editorial) | | ALKALIC ROCKS OF THE ARKANSAS RIVER AREA, FREMONT COUNTY, COLORADO.4. THE PINON PEAK BRECCIA PIPES1 E. Wru...Assrnecr The Pinon Peakbrecciapipesin Fremontcounty, colorado,are satelriticto the tion are recorded, thus...bodies of the alkalic province of Fremont and custer counties, colorado. The pinon peak breccia pipes, herein...its consanguineous complex, whereasin Democrat Gulch the brecciasare adjacent to or near the syenite...Mcclure Mountain-rron Mountain complex in Fremont county, colorado, mainly on the south side of the Arkansas |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...association of radium, uranium. and vanadIum on the Colorado Plateau sparked several periods of exploratIon |  | | Report (volume) | | trachyte Esperanza trachyte Oatman andesite . Gold Road latite___________-___ ________ Younger volcanic...______________ Tom Reed vein______ _ __ _________ Gold Road vein __ __ _________ Moss vein ___________ _ _________________...district: A, Mountains on the northwest side of Times Gulch; B, Ruth and Moss mines from the south_______ V...Vein structure: A, The Gold Road vein as exposed on the Oatman-Kiugmau road, looking southeast; B, The...district: A, View up Gold Road Gulch, showing the surface relations of the Gold Road mine; B, Leland Hill |  | | Report (issue) | | ...................... . Powderhorn District, Colorado ................. . Mountain Pass, California...Area, Colorado ................ . Bearpaw Mountains, Montana ................. . Ravalli County, Montan81-...Montan81- Lemhi County, Idaho .. Magnet Cove and Potash Sulfur Springs, Ar· kansas ........................Bearpaw Morntains, Mont.; (5) Ravalli County, Mont., and Lemhi County, Idaho; and (6) Magnet Cove-Potash...one such area, the Dismal Swamp placer in Elmore County, 10 EXPLANATION I 3 1 1 1 1 1 Placer locality |  | | Report (volume) | | BLACK MOUNTAINS, AND.GRAND WASH CLIFFS MOHAVE COUNTY, ARIZOiNA BY F. C. SCHRADER WASHINGTON GOVERNMENT...Physiographic features_____________________________ 17 Colorado Plateau_______________________ Great Basin province__________...Mountains ______________________ Black Mountains, or Colorado Range____________ Eldorado Range____________________________..._____________ ______.____ ___ 45 Production of Mohave County._____________ 47 General character of deposits...Gold Road district__________________________ General outline___________________________ Gold Road min |  | | Report (issue) | | Anticlines Area, Southern Piceance Basin, Northwestern Colorado by Marilyn A. Grout 1 Open-File Report 88-204...Anticlines Area, Southern Piceance Basin, Northwestern Colorado by Marilyn A. Orout ABSTRACT Data on field-observed...Creek anticlines in the southern Piceance basin, Colorado, are presented in this report. These data form...southern part of the Piceance basin, northwestern Colorado. Anticlinal structure, however, apparently has...but also the Buzzard Creek, Sheep Creek, Hell's Gulch, and Baldy Creek gas fields (fig. 1). The producing |  | | Report (issue) | | - Tectonic movement in the Grapevine area, Kern County, Calif., by B. E. Lofgren - _ _ _ - - - _ _ _ -...extrusive volcanic rocks in Middle Park, Grand County, Colo., by G. A. Izett - - - - - _ _ - - - - _...Graford Formation of Late Pennsylvanian age, Brown County, Texas, by D. A. Myers . . . . . . . . . . . ....rocks of the Houlton-Smyrna Mills area, Aroostook County, Maine, by Louis Pavlides and W. B. N. B e r r...- - Rare-earth thorium carbonate veins of the Road Gulch area, northern Wet Mountains, Colo., by M. H |  | | Report (issue) | | listed on pages A259-A264. Numerous Federal, State, county, and municipal agencies listed on pages A211-A215...____________--------_---_--_Utah......--_---------------.--------Colorado.. ------------------------Kansas.______--_---...Wyoming.____________________ Colorado __ _______________________________ Colorado Plateau________________________________...__ Utah..____________________________________ Colorado. _ _________________________________ New Mexi... -.-..._-----_-_--__ .______.___._..___ State, county, and municipal-____________________ Other cooperators--___ |  | | Book (edition) | | Clara G. Woody Woody knows the history of Gila County and is well acquainted many of whom she personally...James Monroe Patton of Clifton. In Coconino County Mr. and Mrs. William Corey contributed their efforts...under the section on Navajo County. Entries are given alphabetically by county. For Adair Wash: Adair Wash...her history. Chief among the rivers is the great Colorado. Whereas other streams in the state have across...been dammed so that their lower stretches are Colorado remains a running stream, although a controlled |  | | Journal (volume) | | Mines and mineral resources of 7 11 Santa Cruz County, by Henry G. Hubbard 11 Discoveries in the strategic...O'Brien 77 Current mining activity in Plumas County, by C. A. Logan 85 GEOLOGIC BRANCH 88 Current...DISTRICT MINES AND MINERAL RESOURCES OF SANTA CRUZ COUNTY By Henry G. Hubbard* OUTLINE OF REPORT Page...counties created February 18, 1850, Santa Cruz County was first called Branciforte. 1 An amendment passed...Mountains, the original boundaIn 1868 the ries of the county were the same as they are at present. northern |  | | Report (issue) | | stratovolcano (DuBray and Harlan, 1993). Gold-bearing quartz veins are present near Gold Hill and exploration...observed is 0.26 ppm for sample 91JH35a, a sericitized quartz-eye porphyry. These gold values are comparable...vuggy, sulfide -bearing rock composed of a mesh of quartz veins, is the most gold-rich rock sampled from...Mill Creek Mill Creek road Mill Creek road Gulch Gulch Gulch Gulch Gulch Gulch Gulch Mill Creek area 91JH82...fides Diorite Trench sample Precambrian amphibolite Quartz vein in Precambrian rock Tertiary dacite porphyry |  | | Journal (issue) | | Southern United States The Agates and Geodes of Luna County, New Mexico ...................... 52 Central...just south of Bryce National Park and ends at the Colorado River. We would be hiking through slot canyons...be aware of what we might call the “rules of the road”. Even if you’re collecting on public land, verify...name implies that it is the “site of quartz”, there is no quartz in the area. Quartzsite is a quiet town...have to drive some distance on a “roller-coaster” road. If it is raining, flash floods can make roads impassable |  | | Report (volume) | | -----------------------------------------------Quartz latite ... -------------·---------------------...----------------------------------------Barren quartz veins .................... -------------------...Lemhi Pass quadrangle, Page Lemhi County, Idaho, and Beaverhead County, Mont ..... Jn pocket FIGURE 1....basalt. Some lightcolored flows or intrusions of quartz latite or rhyodacite may belong to a third major...copper but do not contain thorium, and (3) barren quartz veins. The thorium-bearing veins are, by far, the |  | | Book | | But if antiquities, so an and scriptions quartz] “it of a to seems only two that be For...pearl, zircon, coral, soberyl, garnet, carnelian, quartz, and 10 as The shown gems on a emerald...Qift as as other mineral, one Ball. massive quartz vari- called limoniatis 4 Following his discussion...to smooth a the to case that it would be quartz that This that to more engraved noted the...includes much “one of the best and most length and quartz, Chapter 3. Magnus’ as The first minerals |  | | Report (volume) | | Geology California Div. Mines and Geology County Rept. Geology County Report. San Francisco, Calif. California...Notes. Colorado School Mines Mineral Industries Bull. Industries Bulletin. Golden, Colo. Colorado School...Golden, Colo. Colorado School Mines Quart. Colo. Florida State University. Colorado School of Mines...Professional Contributions of the Colorado Quarterly of the Colorado School of Mines. Golden, Com. Internat...Geological Societies Harmondsworth Road Research Harmondsworth Road Research Lab. Rept. Laboratory Report |  | | Report (issue) | | listed on pages A253A258. Numerous Federal, State, county, and municipal agencies listed on pages A205-A210...---34 Utah --------------------------------35 Colorado ----------------------------35 lCansas ------..._ Quaternary geology ______________________ _ Colorado Plateau -----------------------------Geologic...agencies ------------------------------ 205 State, county, and municipal agencies __________ _ 205 U.S. Geological...knowledge of the mineral and water resources of Colorado, Idaho, Nevada, and New Mexico has been summarized |  | | Report (volume) | | and Mineral Resources. Colorado School Mines Mineral Industries Bull.-Colorado School of Mines, Mineral...Colo. Colorado School Mines Quart-Colorado School of Mines, Quarterly. Golden, Colo. Colorado Sci. Soc...Soc. Proc.-Colorado Scientific Society, Proceedings. Denver, Colo. Commonwealth Bur. Soils, Tech. Comm...Johannesburg, South Africa. Mines Mag.-Mines Magazine. Colorado School of Mines Alumni Association. Denver, Colo...Monazite deposits in calcareous rocks, Northern Lehmi County, Idaho: Idaho Bur. Mines and Geology Pam ph. 99 |  | | Report (issue) | | the observations of George Orwell in his book "The Road to Wigan Pier." When describing the working conditions...estimates for uranium-vanadium deposits on the Colorado Plateau: U.S. Geol. Survey Bull. 1030-D, p. 137...geostatistical analyses and computer simulation: Colorado School Mines Quart., v. 64, p. 71-98. Haun, J...Mineral-resource appraisal by the U.S. Geological Survey: Colorado School Mines Quart., v. 45, no. 1A, p. 1-27. -...Survey Bull. 1204, 61 p. Orwell, George, 1937, The road to Wigan Pier: London, Victor Gollancz, Ltd., 264 |  | | Report (volume) | | avenue and Temple road................... Area one-fourth mile northwest of Temple road and Western avenue...Elsmere Hill and oil wells, near Newhall, Los Angeles County..................................... VIII. A, Modelo...Modelo Canyon, Ventura County; B, Fortuna wells, Hopper Canyon, Ventura County..........................Pico Canyon, Los Angeles County; B, Pico anticline, Pico Canyon, Los Angeles County........................Los Angeles County; B, Productive well in vertical strata, Whittier field, Los Angeles County...... XIV |
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