 | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals of wide distribution, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...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 |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...exhausted by mining or quarrying. Deposits of minerals that are widely distributed, such as quartz and calcite...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | 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...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | | Report (issue) | | thorium or rare-earths minerals_ Brannerite-bearing quartz or siliceous veins _______ _ Davidite-bearing veins...predecessor organization, the Manhattan Engineer District ; and, to a lesser extent, by staff members of...United States. The pre-1940 history of uranium mining and geology is concerned largely with veins in...such areas as the Front Range mineral belt of Colorado; the Boulder batholith area, Montana ; the Sierra...Marysvale district, Utah. All the Western States, including Arizona, California, Colorado~ Idaho, Montana |  | | Report (issue) | | copper deposits of the Lisbon Valley area, Utah-Colorado By Gordon W. Weir and Willard P. Puffett Open-File...Hermosa Formation in the northern part of the Moab district................................22 Regional stratigraphic...monocline..................................117 Pack Creek syncline.......................................117...Tukuhnikivatz intrusion........................ 129 Hell Creek laccolith................................. 129 Dorry...laccolith............................... 129 Brumley Creek laccolith.............................. 129 Middle |  | | Report (issue) | | INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY.......................... 87 Metasomatism of the quartz-feldspar rocks .................................................. 95 Formation of the bodies of quartz -kyanite rock at La Jarita Mesa .................FIGURES 1. Index map of parts of New Mexico and Colorado, showing location of Las Tablas quadrangle .....typical gradational contact relations between pegmatite and quartzite country rock .................. |  | | Report (volume) | | .---.--------------Quartz diorite_______________---_-____------_-____------Quartz monzonite.________...________________-_____-----___--------.-Aplitic quartz monzonite.-------------.-------------------Aplite -__--___--...porphyry._____________________________________ 140 Quartz-hornblende-biotite monzonite porphyry.___________...lodes..--__._..___._.__.___._._'___._--.-. Gold-quartz lodes___'_._____.__________________.___.__ 212...mine___-____-__-_----_--_-------_---__---___-230 Mascot mine--__----_-_-_----------------------.-_----_--- . |  | Bawiec, Walter J., Abrams, Gerda A., Finn, Carol Ann, Pitkin, James A., Ryder, Jean L., Smith, Steven M., Theobald, Paul K., Meulen, Vander, Dean, B., Walker, George W. (1990) Assessment of the mineral resources for the Adel 1 degree by 2 degrees quadrangle, Oregon. Open-File Report Vol. 1990 (89-177) US Geological Survey doi:10.3133/ofr89177 | Report (issue) | | ................................. Pike Creek and Alvord Creek Formations................... Hart Mountain...the Adel quadrangle is from the Opalite mercury district, which is associated with the McDermitt Caldera...deposits. However, a CUSMAP study could stimulate the mining vi industry with its new products, and through...production of mercury and clay from the Opalite mercury district, in the McDermitt Caldera Complex, other minerals...enough tonnages and grades to warrant large scale mining. Grade-tonnage models for many of these deposit |  | | Report (issue) | | of many deposits, and the probable low cost of mining suggest greatly increased utilization in many industrial...have been prospected in anticipation of future mining. Tuffs rich in analcime, chabazite, clinoptilolite...H4-S8A SW-3-2 D-228278 Bars tow, San Bernardlno County, Calif. 35*02' 117*02' Miocene Barstow Formation...Sheppard and Gude (1969a) 0-228279 Wikieup, Mohave County. Arlz. 34*42' 113*34' Pliocene Big Sandy Formation...Chabazite-rlch tuff W7-19B SD-4-2 0-228280 Wlkieup. Mohave County. Arlz. 34*45* 113*35' Pliocene Big Sandy Formation |  | | Book (edition) | | INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY...that trends nearly parallel to the Colfax—Union County line. East of this, near the TexasOklahoma line...This is particularly well demonstrated in Union County where several wells have penetrated all the sedimentary...sandstone are found only in the eastern part of Union County. Mississippian marine limestone extends across...across the older limestones into central Union County. The late Pennsylvanian uplift of the Sierra Grande arch |  | | Report (issue) | | .............................................. Quartz monzonite.................................................. Bedding-plane faults of the Eureka district Interpretation of original conditions along the...deposits................ Deposits of the Sylvanite district......................... ' Types of deposits....structural features............ Deposits of the Eureka district .............................. Types of deposits...deposits.............................................. Quartz-specularite deposits.......................... |  | | Journal (volume) | | f.p. for for:v -" ...THE EN. N o GI "RNAL MINE NI'N NG G. J ou VOLUN/1E JANUARY TO LXIII. ...YORPQ. : - . - ". • : THE ENGINEERING AND MINING JOURNAL. VOLUME LXIII. JANUARY TO JULY, 1897...Aluminum, Prices of.................. 565 Accident Mine, Colo.......... 97 63, 159 Aluminum Reduction, Gooch's...118 Alabama Industrial and Scientific Amador Queen Mine, Cal..... ...... 263 Acetylene Gas, Conner's Pat... Doddridge's Pat...... 487 "Alabama, Johns Coal Mine. 74 Amalgamating Process, FischerAcetylene Gas, |  | | Journal (volume) | | Bingham, Utah, Mining Black Sand Page. Abbott, James W A Visit to Ely, Nevada Mining at Bingham, Utah...Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The Requirements of Modern Mining 70S 52...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Proprietary Mine, He Treatment at G. D. Del prat Brown, Walter 8 A Filing System for Mining Engineers llucke |  | | Journal (volume) | | . 15 W. M. Brewer 485 793 177 Mexican Gold Mining Company 193 Alfred H. Brooks. Progress in 493 Yukon...American Institute of Mining Engineers. .F. L. Clerc... 346 Institute of Mining Engineers, OflUcerg of...Amparo Mining Company, Etzatian 731 Amur Region, Steam-Shovel In the Broken Hill Silver Mine.... 158...Copper O\itionk.... 91 Appelbaum, M. E Arteaga District, Chihuahua. Mexico.. W. B. Winston.... 829 162...Agreement of 179 Assessment Work California State Mining Bureau.... 347 Aubury, L. E Blast-Furnace Tuyere |  | | Book (edition) | | tetrabromide. crystal. A as macroscopic genitic quartz heavy liquid used for specific-gravity determinations...is better quality lapis lazuli from Badakshan district, of Afghanistan, or 2 DICTIONARY OF GEMS...many varieties of chalcedony (cryptocrystalline quartz). Best known in its curved, banded form, it also...greenish, bluish or yellowish species of the plagioclase series of the feldspar group, of which albite...occurring In gray, reddish or brownish alpha quartz. Quartz which has formed at less than 573°C. in veins |  | | Book (edition) | | prase, and as macroscopic inclusions in sagenitic quartz and other gem¬ stones. S.G. 3.0-3.2. R.I. 1.61/1...blue, best quality lapis lazuli from Badak- shan district, of Afghanistan, or from just over the border...purplish red spinel. ina, or artificial corundum, quartz. Quartz which has formed at less than 573°C. in veins...large pegma¬ tites (Dana). Includes most of the quartz cut as gems. Atomic structure varies as temperature...there is a distinct and perma¬ nent change to beta quartz. Wild states that most fired amethysts change in |  | | Book (edition) | | prase, and as macroscopic inclusions in sagenitic quartz and other gemties bar. accidental pearl. Genuine...lazuli from BadakFrom all of these the Chinese shan district, of Afghanistan, or fashion small images, miniature...of fused crystalline alum- Quartz which has than 573C. in alpha quartz. formed at less veins, geodes...and large pegma- (Dana). Includes most of the quartz cut as gems. Atomic structure varies as temperature...there is a distinct and permanent change to beta quartz. Wild states that most fired amethysts change |
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