 | | Report (issue) | | Superintendent of Documents Government Printing Office Washington, D.C. 20402 (Check or money order must be payable...authorized agents of the Superintendent of Documents: WASHINGTON, D.C.-Main Interior Bldg., 2600 corridor, 18th...California-Customhouse, Rm. 504,555 Battery St. SPOKANE, Washington~U.S. Courthouse, Rm. 678, West 920 Riverside...the following Geological Survey offices: ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution...JAMES W. WHIPPLE Gold Deposits of the Boulder County Gold District, Colorado By JAMES A. SAUNDERS Part |  | | Journal (article/letter/editorial) | | SHERWOOD 106A East 25th, P. 0. Box 436 Oak Grove, Missouri 64075-0436 Downloaded by [Brown University Library]...Louis, Missouri 63129-2704 Figure 1. Counties in Missouri. N o comprehensive list of Missouri mineral...found in Missouri; two of these, fletcherite and starkeyite, were first described from Missouri mines....location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular |  | | Report (issue) | | Alaska by the U.S. Geological Survey during 1987. Washington, B.C. : U.S. G.P.O., 1988. (200) Ci no.1016 s...of the eastern half of the lone quadrangle, Nye County, Nevada. [Menlo Park, CA] : U.S. Geological Survey...of the Zwagg Island Wilderness Study Area, Currv County, Oregon. [Menlo Park, Calif.] : U.S. Geological...only Dean, Lewis S. Mineral resources of Clay County, Alabama. Geological Survey of Alabama, 1988. M(235)4...Un3e Higgins, Michael W. Geologic map of Cecil County. [Baltimore] : State of Maryland, Department of |  | | Journal (article/letter/editorial) | | Society of America, 1015 Eighteenth St NW, Ste 601, Washington, D.C. 20036-5212 ANALYTICA CHIMICA ACTA Elsevier...EARTH SCIENCES Blackwell Publishing, 350 Main Street, Malden, MA 02148 BASIN RESEARCH Blackwell Publishing...Secaucus, NJ 07096-2485 ENVIRONMENTAL GEOSCIENCES Blackwell Publishing, 350 Main Street, Malden, MA 02148...Geophysical Union, 2000 Florida Avenue N.W., Washington, DC 20009-1277 GEOCHEMISTRY INTERNATIONAL Interperiodica...0361-0128/98/000/000-00 $6.00 GEOLOGY TODAY Blackwell Publishing, 350 Main Street, Malden, MA 02148 |  | | Journal (article/letter/editorial) | | Colo., is being reworked. The ore of the Lode is a quartz-fluoride vein in red granite (Pike's Peak variety)...with vesuvianite, magnetite and calcite. "Th's mine goes back to the 1870's and 80's—and worked off...pounds, have been found in the Copper Queen Copper mine in Bisbee, Cochise Co., Ariz. ARKANSAS—A large,...Crestmore, Riverside Co., Calif. 462 "The ores of the mine are of interest to collectors for their bright colors—a...was reported in 1843 at Williams Ferry in Hall County by Dr. Stevenson while panning for gold. The stone |  | | Journal (article/letter/editorial) | | Society of America. 1015 Eighteenth St NW, Ste 601, Washington, D.C. 20036-5212 ANALYTICA CHIMICA ACTA Elsevier...10010-1710 AUSTRALIAN JOURNAL OF EARTH SCIENCES Blackwell Science Asia, 54 University St, Carlton South...South 3053, Victoria, Australia BASIN RESEARCH Blackwell Science Ltd, Osney Mead, Oxford OX2 0EL, United Kingdom...Secaucus, NJ 07094-2485 ENVIRONMENTAL GEOSCIENCES Blackwell Science Inc., 50 Wintersport Lane, Williston,...Geophysical Union, 2000 Florida Avenue N.W., Washington, DC 20009-1277 GEOCHEMISTRY INTERNATIONAL Maik |  | | Journal (article/letter/editorial) | | Smithsonian Institution Washington, DC 20013 pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District...District, San Juan County, Colorado Are all things beautiful? Are all types equally beautiful when we abstract...north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen is 2.5 cm...tetrahedrite, sphalerite, galena, pyrite, calcite, and quartz, to name but a few. It is also found Figure 2...2. Enargite trilling from Butte, Silver Bow County, Montana. Twin is 5 mm across and is on the specimen |  | | Report (chapter) | | related rocks, Windermere Supergroup, central Idaho, USA KAREN LUND1 *, JOHN N. ALEINIKOFF2 & KARL V. EVANS1...80225, USA 2 US Geological Survey, MS 964, Federal Center Box 25046, Denver, CO 80225, USA *Corresponding...the northern US Cordillera, from northeastern Washington to southeastern Idaho. However, mapping and direct...be Neoproterozoic in age (Jacob 1990; Oliver & Blackwell 2002). This drill hole is in a region dominated...part of the diamictite is an unsorted mixture of quartz-rich matrix and sedimentary-rock clasts. Below |  | | Journal (issue) | | indicates quartz veins and mineralized fault zones. In addition, the map identifies 76 mine or prospect...them in a separate table. Gold and silver from quartz vein and placer deposits have been the main mineral...Circular 838, Guides to Some Volcanic Terranes in Washington, Idaho, Oregon, and Northern California, are...heatflow over 100 mWlm 2 shown in gray. (After Blackwell and others, 1978; Black and others, in preparation...82 Francana Resources Glass Buttes area, Lake County July 1981; drilled three gradient holes to 1,300 |  | | Journal (article/letter/editorial) | | also present. "Specimen comes from a mine somewhere in Yuma County, Arizona."—on label. ARKANSAS—In the...of Diamonds is an abandoned diamond mine (the only diamond mine in the U.S.) that has been opened up...Jefferson County."—letter dated—June 31, 1956, from Marie Kennedy, 375 W. Kansas, Blackwell, Okla. The...Rhode Island border. Small crystals of calcite and quartz on trap rock have been found in a huge cut at the...colorless calcite xls associated with deep black smoky quartz xls on black basalt (trap rock). The other consists |  | | Journal (issue) | | well Neverstill 33-30 at Mist Gas Field, Columbia County. Since gas production from the well had declined...(~ cristobalite, a-cristobalite, chalcedony, and quartz), and lllordenite. Minor native copper, calcite...at the bottom of the drill hole was 96.4 °C (Blackwell and Steele, 1987) (Figure 2), and the temperature...was about 80 °C/km (Priest and others, 1987; Blackwell and Baker, 1988). Drill core from the CTGH-l drill...vapor-phase tridymite in addition to primary minerals (quartz, plagioclase, magnetite. and pyroxene). Primary |  | | Journal (article/letter/editorial) | | Philadelphia, PA 19106, USA BASIN RESEARCH Journal Customer Services, Blackwell Publishing, 350 Main Street...Minerals Society, 1015 18th St. NW, Suite 601, Washington, DC20036-5212 COMPTES RENDUS GEOSCIENCE Elsevier...Geophysical Union, 2000 Florida Avenue N.W., Washington, DC 20009-1277 763 764 INTERESTING PAPERS...32887-4800 GEOFLUIDS Journal Customer Services, Blackwell Publishing, 350 Main Street, Malden, MA 02148...07094-2485. GEOLOGY TODAY Journal Customer Services, Blackwell Publishing, 350 Main Street, Malden, MA 02148 |  | | Report (issue) | | Mercator coordinates are not acceptable. State, County, or Country Mandatory If the state name Is abbreviated...use the 2 degree quadrangle name in lieu of the county name. Use the name of the ocean for oceanographic...(grab, composite, etc.) 13 Source (outcrop, float, mine dump, etc.) 14 Age (if certain) or Request For...Lab No. " Field No. ' Deg. Min. Sec. Prov.. il not USA Job No. Coding Column 12 CHARACTER OP SAMPLE Mandatory...C. Float D. Open pit mine or quarry E. Prospect pit F. Underground mine G. Mine dump H. Mill product |  | | Journal (article/letter/editorial) | | in the Ouachita foreland shelf in mid-continent USA: an overview of widespread effects of a Variscan-equivalent...paragenesis includes siderite cement (early stage), quartz overgrowths (intermediate stage), dissolution of... Lawrence, KA 66045, USA C.E. Barker US GeologicalSurvey, Denver, CO 80225, USA Present address: 1 Shell...Shell Offshore Inc. New Orleans, Louisiana70161 USA gree of organic maturity. The Th of aqueous fluid...right: southern part of the mid-continentof the USA, showing location of major tectonic features mentioned |  | | Journal (article/letter/editorial) | | Clay Co., Ala., native gold has been found in quartz. ALASKA-Jack Moffitt, 1475 E. University, Springfield...specimens from the Red Devil Mine, copper nuggets from the Kennecott mine, etc. and I can assure you that...the numerous tungsten mines in the Darwin, Inyo County, California, area."—note from James H. Richardson...specimen is a grayish-green diopside in massive smoky quartz. Tiny brassy-yellow pyrite xls, tiny brownish titanite...interior was gray chalcedony coated with white drusy quartz. This fine specimen belonged to Mr. & Mrs. John |  | | Journal (article/letter/editorial) | | with green beryl and smoky quartz. The specimen came from an abandoned mica mine about 6 miles N / E of Ashland...pebble had a few spots of whitish quartz. ARIZONA — "The Glove Mine, from where the fine wulfenite crystals...coming for years, has shut down as has the Defiance Mine at Gleason. Considerable material is still coming...not so common any more. "The Glove Mine is located in Santa Cruz County, Arizona, near the little town of...south side of the Santa Rita Range. It is a lead mine and there is some silver and gold but not ROCKS |  | | Journal (article/letter/editorial) | | the U. S. Send me your list, and I w i l l send mine. Interested in Crystals only. Those of you w h o...California. E X C H A N G E : Quartz x l specimens wanted. Have hundreds of quartz x l duplicates to trade...Pale green, transparent crystals. Occur w i t h quartz. Sizes f r o m 2 " x 3 " to % " x % " . W i l l...N . Y . SEND ME your swap list and I'll send you mine. Michael Schaer, Route # 1 , W o r t h i n g t o...minerals for e x change. Please send your list for mine. Russell H1. Leitch, 14 Harvard St., Springfield |  | | Journal (article/letter/editorial) | | for this mouth-watering specimen is Copper Queen Mine, Bisbee (Cochise Co.), Ariz. ARKANSAS—"First off...have found in the Magnet Cove area of Hot Spring County, Arkansas. I am sending you a specimen under separate...on Delaware Bay, is in the N / E part of Sussex County, Del. From this beach, Bob and Hazel Reynolds,...item or two. ROCKS AND MINERALS IDAHO—"In Bonner County, Northern Idaho, at a place called Chimney Rock...Greencastle, Ind. Hornstone is an opaque, massive quartz resembling flint. The specimen from Wyandotte Cave |  | | Report (issue) | | Cientlfico-Tecnica, C1985. 203 (391) C667 1985 D only Dane County, WI, demonstration disc [computer file] digital...Spokane 1:100,000 quadrangle, Washington - Idaho. [Olympia, Wash.] : Washington, Division of Geology and Earth...resources of the Southern Ute Indian Reservation. Washington : U.S. G.P.O. ; Denver, CO : For sale by the... Main PAGE Freeberg, Jacquelyn. Santa Clara County, California environmental geology : selected references...March 25-27, 1986, Harpers Ferry, West Virginia. [Washington, D.C.?] : Atmospheric Sciences Program, Office |  | | Journal (article/letter/editorial) | | speciARKANSAS — Yellow powdery jar- men of gemmy smoky quartz. osite occurs associated with selenite crysCONNECTICUT...senopyrite in Darien (Fairfield Co.), Levesque, Cross County, Arkansas. The Conn., for over a year. A few weeks...Mitchell, University of Virginia, from is a small quartz vein on the side of a specimens sent to him by...galena and widely in the farming district south of quartz, and finally a solid vein of rich San Luis Obispo...Obispo (San Luis Obispo Co.), galena in quartz. I have found only one Calif. It is used by the locals for |  | | Journal (article/letter/editorial) | | pyroxene, brownish also milky-white quartz and greenish and white quartz porphyry. A 2nd letter, dated March...have a mine where this fine specimen material is found in the Harquahala Range in N / E Yuma County of S/W...desert roses (beds of these are found all over Yuma County). I pick up only the well shaped specimens such...response on the copper minerals with quartz xls and drusy quartz overlying them. The sad part is that...come from the Calico fossil beds of San Bernardino County, Calif." — asks Charley Jones, 14232 Slover Ave |  | Day, Warren C., Slack, John F., Ayuso, Robert A., Seeger, Cheryl M. (2016) Regional Geologic and Petrologic Framework for Iron Oxide ± Apatite ± Rare Earth Element and Iron Oxide Copper-Gold Deposits of the Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA. Economic Geology, 111 (8) 1825-1858 doi:10.2113/econgeo.111.8.1825 | Journal (article/letter/editorial) | | Mesoproterozoic St. Francois Mountains Terrane, Southeast Missouri, USA Warren C. Day,1,† John F. Slack,2 Robert A....Mail Stop 973, Lakewood, Colorado 80225 2 U.S. 3 Missouri Geological Survey, National Center, Mail Stop...of Natural Resources, Missouri Geological Survey, P.O. Box 250, Rolla, Missouri 65402 Abstract This paper...St. Francois Mountains terrane of southeast Missouri, USA. The St. Francois Mountains terrane lies along...to emplacement of the ore-forming systems. The Missouri iron orebodies are magmatic-related hydrothermal |  | | Journal (article/letter/editorial) | | Silver specimens are not uncommon at the Monte Cristo Mine. To reach the Monte Cristo, take road to Constallation...drives. There is a store at Crown King; Crown King Mine is no longer in operation. Good Pyrites of Iron...ARKANSAS, it stated that the Tridymite form of quartz had been found locally, etc. "This was my mistake...thousand tiny but regular quartz crystals and clusters of these tiny quartz crystals. The writer got to...regular quartz crystals, as tridymite is supposed to form at a higher temperature than ordinary quartz. So |  | | Journal (article/letter/editorial) | | Geophysics, University of Wisconsin, Madison, WI 53706, USA (coryc@geology.wisc.edu) ABSTRACT Oscillatory zoning...Willsboro wollastonite deposit, NE Adirondack Mts, NY, USA, preserves a record of the temporal evolution of...obscure or eliminate evidence of the contact 2003 Blackwell Publishing Ltd metamorphism. Nevertheless, valuable...preserved in garnet from the Willsboro wollastonite mine. Garnet from this study are the first reported skarn...long and up to 1.5 km wide (Fig. 1b). The 2003 Blackwell Publishing Ltd OSCILLATORY ZONING IN GARNET |  | GORDON, S. M., WHITNEY, D. L., MILLER, R. B., McLEAN, N., SEATON, N. C. A. (2010) Metamorphism and deformation at different structural levels in a strike-slip fault zone, Ross Lake fault, North Cascades, USA. Journal of Metamorphic Geology, 28 (2) 117-136 doi:10.1111/j.1525-1314.2009.00860.x | Journal (article/letter/editorial) | | strike-slip fault zone, Ross Lake fault, North Cascades, USA S. M. GORDON,1* D. L. WHITNEY,1 R. B. MILLER,2 N...University of Minnesota, Minneapolis, MN 55455, USA (gordon@geol.ucsb.edu) 2 Department of Geology, San...San José State University, San José, CA 9519, USA 3 Earth and Planetary Sciences, Massachusetts Institute...Institute of Technology, Cambridge, MA 02139, USA ABSTRACT Continental crust is displaced in strike-slip... a migmatitic unit of the North Cascades, Washington (USA), was metamorphosed at depths of 25–30 km |
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