 | | Report (volume) | | Tertiary Igneous Rocks Front Range Mineral Belt Colorado GEOLOGICAL SURVEY BULLETIN Prepared on behalf...Range Mineral Belt '·colorado By]. D. WELLS GEOLOGY AND ORE DEPOSITS OF CLEAR CREEK, GILPIN, AND LARIMER...LARIMER COUNTIES, COLORADO GEOLOGICAL SURVEY BULLETIN 1032-E Prepared on behalf of the United States... GEOLOGY AND ORE DEPOSITS OF CLEAR CREEK, GILPIN, AND LARIMER COUNTIES, COLORADO PETROGRAPHY OF RADIOACTIVE...TERTIARY IGNEOUS ROCKS, FRONT RANGE MINERAL BELT, COLORADO By JoHN D. WELLS ABSTRACT The centlal pa1t |  | | Journal (article/letter/editorial) | | Nigeria Arfvedsonite, 317. Bokkos, Jos, albite, anorthoclase, sanidine, trachyte, lherzolite, diorite, pyroxenite... 466. Sudbury, gersdorffite, 26. U.S.A. Amelia County, Virginia, albite, ~56, 489. Arkansas, orthoclase... montebrasite, 414 . Canon City, Fremont Co., Colorado, montebrasite, 414. Fairfield, Utah, wardite,...Omphacite from the following localities, 64: Clear Creek, Cloverdale, Healdsburg, Junction School, Mt...Berkeley Hills, Tiburon peninsula, Valley Ford, Ward Creek. Maine Greenwood, Oxford Co., amblygonite, 414. |  | | Report (issue) | | QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H. GARREY WITH..................._.......... . Distribution in Colorado ................................................Boulder County.............. . . . . . . . . . . . ......... . ....... . 103 Ores in Gilpin County ............................... . 103 Orcs in Clear Creek County ............................ . 103 Ores from.................... . 126 Resemblance to Cripple Creek ...................................... ~ ...... |  | | Report (volume) | | Belknap and Red Hills calderas. strip along Beaver Creek between Gold Mountain and the Antelope Range. Callaghan...assessed the mineral resource potential ofPiute County, and in that report he made first mention of the...field is located at the western margin of the Colorado Plateaus province, in the High Plateaus subprovince...subprovince that forms the transition between the Colorado Plateaus and the Basin and Range provinces. The...from a local center a few kilometers north of Clear Creek (fig. 1), and the resulting sheet, called Three |  | | Report (volume) | | of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=) I o 00 SURVEY...the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado By ROBERT H. MOENCH and AVERY... PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution of...OF THE IDAHO SPRINGS DISTRICT, CLEAR CREEK AND GILPIN COUNTIES, COLORADO By ROBERT H. MOENCH and AVERY...IDAHO SPRINGS DISTRICT, COLORADO 106° 105" DANO SPRINGS DISTRICT. CLEAR CREEK! COUNTY_1 I FIGURE 1 |  | | Report (volume) | | ...................... 1. Eocks from Aroostook County I............................. 19 19 2. Litchfieldite...56 1. Elliott County dike........................................ 56 2. Crittenden County dike.......................................... 134 135 137 Colorado ......................... ^......................................................... 3. Colfax County......."............................................... 3. Plumas County .............................. .............. 4. Butte County................ |  | | Report (issue) | | ALONG THE FRONT RANGE FROM DENVER TO BOULDER, COLORADO Clay Minerals Society 39th Annual Meeting and...Geological Survey Open-File Report 02-413 Denver, Colorado 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A........................ 11 The clay industry in Colorado ..................................... 13 Rubey................. 67 Nederland; mining in Boulder County .............................. 67 Boulder Canyon...mine, operated by Robinson Brick Co., Golden, Colorado; an active clay mining operation in the Laramie |  | | Report (volume) | | ...................... 1. Rocks from Aroostook County..... ^..................'........... 2. Miscellaneous...1. Elliott County dike............................................... 2. Crittenden County dike...................... 86 87 90 90 92 93 93 94 95 95 Colorado.............................................................................. Rocks of Cripple Creek district..............'................... Miscellaneous....................................... 3. Colfax County................ I............................. |  | | Journal (article/letter/editorial) | | mine, Caceres, Spain, montebrasite, 414. Amelia County, Virginia, albite, I56; - - , anal., d2o i, 489...composition, exsolution of sillimanite from, 815. Anorthoclase, Nigeria, opt., 37o. Antarctica, olivine, 238...Nigeria, trachyte with inclusions, lherzolite, anorthoclase, diorite, pyroxenite, syenite, albite, sanidine... West Indies, coquimbite, tamarugite, 939. Clear Creek, California, omphacite, 6I. CLEVERLY(W. H.),...555; epitaxic growth on Canon City, Fremont Co., Colorado, montebrasite, 414. INDEX orthopyroxene, 115; |  | | Report (issue) | | one of several volcanic fields surrounding the Colorado Plateau. It has a petrologic history generally... collected along Beaver Creek, 1.45 k* west of the junction of Beaver Creek and the Sevler River. 38°28'37"...57 1oa vest-northwest of the junction of Beaver Creek and the Sevier River. 38°29'05" H. U2°15'35" W...fro* a road cut along Clear Creek, 3.14 ka west of the junction of Clear Creek and the Sevier River....Highway 89, on south side of rest area alongside Deer Creek. 38°30'08lt H. 112°15'24" W. 0.22 2.204 M98 |  | | Report (issue) | | Molloy and Kerr (1962) studied a strip along Beaver Creek between Gold Mountain and the Antelope Range. Callaghan...assessed the mineral resource potential of Piute County, and in that report he made first mention of the...field is located at the western margin of the Colorado Plateau Province, in the High Plateaus subprovince...subprovince that forms the transition between the Colorado Plateaus and the Basin and Range provinces. The...from a local center a few kilometers north of Clear Creek (fig. 1), and the resulting sheet, called Three |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Report (volume) | | the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER MOORE...section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults (veins) of...THE LAWSONDUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. HAWLEY and FRANK BAKER...15-square-miles in the Front Range mineral belt, is in Clear Creek County, Colo., just west of the highly productive...parallels 1 2 LAWSON-DUMONT-FALL RIVER DlSTRICT, COLORADO axes of the major folds of the district. A second |  | | Report (volume) | | crystalline rocks Maine 1. Rocks from Aroostook County 2. Litchtieldite and associated minerals New lIampshire...Carolina (ieorgia Kentucky 1. Elliott County (like 2. Crittenden County dike Tennessee Missouri Arkansas Texas...district Idaho Colorado 1. Denver Basin 2. Pike's Peak district Granite Rocks of Cripple Creek district Miscellaneous...Grande Canyon 2. Mount Taylor region 3. Colfax County 4. Miscellaneous rocks Arizona 1. Globe district...Butte County 5. Sierra County 6. Nevada City anti (lras Valley 7. Placer County 8. Eldorado County 9. Amador |  | | Journal (article/letter/editorial) | | pegmatite was mined at Barringer Hill in Llano County in the early 1900s but was flooded by Lake Buchanan...on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991). i i • I...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence..."specimen quality" questionable occurrence Angelina County Lufkin, 1 mile N of Lufkin in railroad cuts, in...sands; gypsum* (crystals) (Sloat, 1978). Barton's Creek, Smithville downstream from the bridge; gypsum* |  | | Report (volume) | | TheElliott County dike ...................................... 92 2. The Crittenden County dike.........Mountains..............................-------Colorado ................................................Pago. Igneous and crystalline rocks Continued. Colorado Continued. 8. The AVest Elk Mountains............ f .......................... 198 3. Plumas County................................,,.............................................. . 204 5. Sierra County............................................... |  | | Report (volume) | | crystalline rocks Maine 1. Rocks from Aroostook 'County 2. Miscellaneous rocks5 v New Hampshire 5 Vermont...Carolina Georgia Kentucky 1.. Elliott County dike 2. Crittenden County dike Tennessee Missouri Arkansas Oklahoma...Pikes Peak district Granite 5 Rocks of Cripple Creek district Miscellaneous rocks 5 3. Apishapa quadrangle...Analyses of igneous and crystalline rocks-Continued. Colorado-Continued.5 18. San Cristobal quadrangle 5 19...Grande Canyon 5 2. Mount Taylor region 5 3. Colfax County 4. Miscellaneous rocks 5 Arizona 1. Globe district |  | | Report (issue) | | Tuff Member composite sheet, eastern end of Clear Creek Canyon, includes the most complete section where...from table 4 and table 6, and the Bishop Tuff (clear), data from Hildreth, 1981........................against 29(204)..................... Variation in clear (.) and pink (o) zircon compositions in weight percent...concentrations/late concentrations) for the Joe Lott Tuff Member clear zircons (black) and pink zircons (diagonal stripe)...enrichment factors for zircons from the Bishop Tuff (clear) (Hildreth, 1977)............................ ii |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Famous mineral localities: The Cripple Creek Mining District, Colorado . . . . . . . . . . . . . . . . . ...collection to the Natural History Museum of Los Angeles County. Julius Weber was well known in the mineral community...Department of the Natural History Museum of Los Angeles County has placed a high priority on building its micromount...collecting benitoite and neptunite” in San Benito County, California. Bryan Lees (current lessee of the |  | | Book | | granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...of sophisticated testing methods it has become clear that many minerals fall into groups, the members...mineralogists studied more and more specimens it became clear that many showed characteristic external shapes...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology...crystal form. Other crystals Wulfenite (Arizona, USA) 29 may show lesser symmetry on a scale at the |  | Budding, K.E., Cunningham, C.G., Zielinski, R.A., Steven, T.A., Stern, C.R. (1987) Petrology and chemistry of the Joe Lott Tuff Member of the Mount Belknap Volcanics, Marysvale volcanic field, west-central Utah. Professional Paper 1354. US Geological Survey doi:10.3133/pp1354 | Report (issue) | | mid-1870's, is located in Clear Creek Canyon just east of the mouth of Mill Creek and is typical of pioneer...four daughters and six sons. They settled in Clear Creek Canyon and farmed. In addition, Joe drove a wagon...delivering mail and supplies. The trail and the adjacent creek were named after Joe Lott, and eventually the rocks...forming the canyon walls of Joe Lott Creek and lower Clear Creek became formally named the Joe Lott Tuff...Member, Mount Belknap Volcanics, east end of Clear Creek Canyon, Marysvale Volcanic Field, west-central |  | | Report (volume) | | A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Report (volume) | | ............................................. Colorado.................................................especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | Galanciak, J., Bagiński, B., Macdonald, R., Belkin, H.E., Kotowski, J., Jokubauskas, P. (2020) Relationships between monazite, apatite and chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah, USA. Lithos, 354. 105349 doi:10.1016/j.lithos.2019.105349 | Journal (article/letter/editorial) | | chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah, USA J. Galanciak, B. Bagiński, R. Macdonald, H.E. Belkin...chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah, USA, LITHOS(2019), https://doi.org/10.1016/j.lithos.2019...chevkinite-group minerals in the rhyolitic Joe Lott Tuff, Utah, USA J. Galanciaka, B. Bagińskia,*, R. Macdonalda,b, H...11142 Forest Edge Drive, Reston, VA 20190-4026, USA ro of ° Corresponding author: e-mail B.Baginski1@uw...Ma from the Mount Belknap lP caldera in Utah, USA. Despite having a volume of ~150 km3 it is compositionally |  | | Report (issue) | | observed in the gold gravels at Cherokee, Butte County, and this locality, became the most noted one in...short articles on California diamonds. A Amador County: few small stones have been picked up near the...towns of Volcano, Oleta and Fiddleto^vn. Butte County: In 1853 it was observed that diamonds occurred...Thompson Flat, two miles north of Oroville. El Dorado County: A diamond weighing 1| carats was found at Forest... namely, on Webber Creek, in White Rock canyon and at Smith's Flat. Fresno County: Small diamonds are |
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