 | | Journal (article/letter/editorial) | | Copyright 0 I995 Elsevw Science Ltd Printed in the USA. All rights reserved 0016-7037/95 $9.50 + .oO...Institute. 391 Chipeta Way, Salt Lake City. UT 84108. USA ‘Geothermal Power Operations, Unocal Corporation...Corporation, 3576 Unocal Place. Santa Rosa, CA 95406. USA (Received October 3, 1994; accepted in revised form...the intermediate parts of the thermal system and calcite in the outer parts. Potassium feldspar and quartz...early liquid-dominated system boiled off. Bladed calcite, which is corroded in places, and late-stage clays |  | | Report (issue) | | Geophysical overview of The Geysers, by William F. Isherwood, U. S. Geological Survey 83 Large teleseismic...Faulting and ore controls at the Culver-Baer mine, Sonoma County, California, by Eugene V. Ciancanelli, Cascadia...Cache, Lower Lake, and Kelseyville Formations, Lake County, Calif. FIGURE Page FIGURE 115. Photographs...Clear Lake with respect to Sulphur Bank mercury mine 117. Diagram showing summary of data from core 6...118. Geologic map of the Geysers and Culver-Baer mine area 119. Diagrammatic cross section of part of |  | | Journal (article/letter/editorial) | | exposure on Skyscraper peak, Front Range (Colorado, USA). Fracture density increases near the cliff top,...Sciences University of Colorado Boulder, CO 80309, USA E-mail: Suzanne.Anderson@colorado.edu E lements...propagation on a granite dome at Twain Harte (California, USA), and some were captured on video (Fig. 4). Detailed...whereas calcium feldspars are among the lowest. In calcite, as an extreme example, α differs in sign with...Spontaneous exfoliation event at Twain Harte (California, USA) in August 2014. Note rock fragments flying into |  | | Report (chapter) | | Mg content) and by X-ray diffraction (XRD) as calcite (Ca-carbonate) and weddellite (Caoxalate). Clusters...dissolution and corrosion affecting in particular calcite grains (Fig. 4). Granitic substrate, urban environment...micrograph of limestone-lichen patina interface. Calcite of the stone substrate (C) shows evidence of dissolution...enriched in Fe relative to the rock substrate (Isherwood & Street 1976; Schiavon 203 1993). BSEM is particularly...Science of the Total Environment, 167, 315-328. ISHERWOOD, D. & STREET, A. 1976. Biotite induced grussification |  | | Journal (article/letter/editorial) | | trap and sealing mechanism (Urban et cd., 1975). Isherwood (1975) identified a residual gravity low (-30...to have no deep magnetic expression (Isherwood, 1975). Isherwood ( 1975) attributed these features to...aquifer which is apparently self-sealing. Secondary calcite and silica occur at depth and provide an insulating...20-29 May. Lawrence-Berkeley Laboratory, 423-428. Isherwood W. F. (1975) Gravity and magnetic studies of The...Regional geology of the Steamboat Springs area, Washoe County, Nevada. U.S.G.S. Pro& Paper 458-A, 52. Tolstikhin |  | Riber, Lars, Dypvik, Henning, Sørlie, Ronald, Ferrell, Jr., RayE. (2016) Clay minerals in deeply buried paleoregolith profiles, Norwegian North Sea. Clays and Clay Minerals, 64 (5) 588-607 doi:10.1346/ccmn.2016.064036 | Journal (article/letter/editorial) | | Louisiana State University, Baton Rouge, LA 70803-4101, USA Abstract—Recent discoveries of oil in deeply buried...(PSD) (Bruker Corporation, Billerica, Massachusetts, USA), using CuKa radiation. Micronized powder specimens...performed by Dr Steven Driese, Baylor University, USA, and followed a geochemical mass balance approach...1.2 1.3 1.2 Biotite (wt.%) Chlorite (wt.%) Calcite (wt.%) Illite-smectite (wt.%) 9.2 7.3 5.7 6.9...the absence of extensive chemical weathering (Isherwood and Street, 1976; Sørensen, 1988; Le Pera and |  | Doebrich, Jeff L., Albino, G.V., Barker, C.E., Duffield, W.A., Dunn, V.C., Hanna, W.F., McFarlan, J.P., McGuire, D.J., Miller, M.S., Peters, S.G., Plouff, Donald, Raines, G.L., Sawatasky, D.L., Spanski, G.T. (1994) Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, Northwest Nevada and Northeast California. Open-File Report Vol. 1994 (94-712) US Geological Survey doi:10.3133/ofr94712 | Report (issue) | | Rock National Conservation Area), and the impact of mine dewatering on drainage basin groundwater resources...public lands from mineral entry, and the impact of mine dewatering on drainage basin groundwater resources...past decade has created concern about the impact of mine dewatering on groundwater resources in this region...Figure 1. Map of Great Basin showing state and county boundaries and location of Winnemucca-Surprise... geothermal, sand, gravel, stone none none calcite 1 1. North Fork Little Humboldt River 12. PahutePeak |  | | Book | | 310 Pillsbury Drive S. E. Minneapolis, MN 55455, USA Volumes 1 to 9 in this series appeared under the...Continental Margin Arc-Rift Transform System: Western USA .................... 152 4.2.1 Gold Deposits of...Deposits ................ . 4.5.2 The Homestake Gold Mine, South Dakota .. 4.5.3 Pre-Metamorphic Stratiform...Post-Metamorphic Quartz-Rich Vein Ores: The Sigma Mine, Quebec ................ . 4.5.5 Discussion and...MVT Deposits of the Viburnum "frend, Southwest Missouri ...................... 9.3.4 Discussion and Considerations |  | | Journal (article/letter/editorial) | | 1985 High-temperaturestructurerefinementsof calcite and magnesite S. A. MmxcRAFr AND R. J. Rrnnrn...group. The negative thermal expansionalong a for calcite is explainedin terms of the large libration parameters...interatomic distance increasedmore rapidly in calcite than in magnesite.Mean thermal expansioncoeflicientsfor...interatomic distancefc""_o : 15.9x 10-6.C-1) in calcite and the Mg-O distancein magnesitefa"r_o:15.g x...octahedra. At 800"C the I : odd reflectionsof calcite are unobservedpreferentially(I < 2o), possibly |  | | Book | | senders. The moonstone is another personal favorite of mine. It is a stone popular among a good number of Witches...communicate with us. Lee Prosser is a Shaman friend of mine who shares my interest in the occult lore and application...identification tool. Jade is another favorite of mine. Like moonstone, it speaks to me. A receptive stone...summer day in the hill country of Southwestern Missouri. I was 16 years old and magick was everywhere...California, with my friend, writer Christopher Isherwood. He came across a holey stone, picked it up, examined |  | Anovitz, Lawrence M., Cheshire, Michael C., Hermann, Raphael P., Gu, Xin, Sheets, Julia M., Brantley, Susan L., Cole, David R., Ilton, Eugene S., Mildner, David F.R., Gagnon, Cedric, Allard, Lawrence F., Littrell, Kenneth C. (2021) Oxidation and associated pore structure modification during experimental alteration of granite. Geochimica et Cosmochimica Acta, 292. 532-556 doi:10.1016/j.gca.2020.08.016 | Journal (article/letter/editorial) | | Ridge National Laboratory, Oak Ridge, TN 37830, USA Materials Science and Technology Division, MS 6064...Ridge National Laboratory, Oak Ridge, TN 37830, USA c Earth and Environmental Systems Institute and Department...Park, PA 16802, USA d School of Earth Sciences, The Ohio State University, Columbus, OH, USA e Pacific Northwest...WA 99352, USA f NIST Center for Neutron Research, Stop 6102, Gaithersburg, MD 208990, USA g Center for...Oak Ridge National Laboratory, Oak Ridge, TN 37830 USA h Chemical & Engineering Materials Division, MS 6393 |  | | Journal (article/letter/editorial) | | often are sealed completely by mainly quartz, calcite, chlorites, and clay minerals (Genter & Traineau...biotite. Accessory phases are muscovite, titanite, calcite, hornblende, rutile, apatite, pyrite, zircon, allanite...in the vicinity of biotite/chlorite (Fig. 4b). Calcite is found in small fissures mostly near the phyllosilicates...Table 3. Accessory apatite (Ap) titanite (Ttn), calcite (Cal) and allanite (Aln, Ca-REE-silicate) occur...as many studies have shown (Wahrhaftig, 1965; Isherwood & Street, 1976; Rossi & Graham, 2010). The uplift |  | | Report (issue) | | for gold deposition, Alleghany district, Sierra County, California, 26 McMillan, W. J., and Johan, Z....mineralization of the Washougal mining district, Skamania County, Washington, 15 Shreiner, Alexander, Jr., and Suemnicht...origin of some of the vein deposits, Bunker Hill mine, Couer d'Alene district, Idaho, 23 Yeend, Warren...Geology of the Little Boulder Creek deposit, Custer County, Idaho (abs.)> 22 Briskey, J. A., Field, C. W....mineralization at the Blackbutte mercury mine, Lane County, Oregon, 17 Derkey, R. E., The Silver Peak |  | | Journal (issue) | | Articles History and minerals of The Geysers, Sonoma County, California .....................................the Wessels mine, South Africa ............365 by J. Gutzmer & B. Cairncross The Parker mine, Notre Dame...1852 to the 1920’s, is located in northern Sonoma County about 145 km north of San Fran cisco, California...Gealy (1951), Hannah (1975), Higgins (1980), Isherwood (1975), Hsu (1968), Koenig (1963), Lang and Westphal...(1970). The Mayacmas Mountains of northern Sonoma County are underlain by rocks of the Jurassic-Cretaceous |  | | Journal (article/letter/editorial) | | plodding industry, for unthrifty economies, for of calcite, nodular stalagmi tes, calcareous tufa, crystalline...dollars to his income. Certainlv Ch,ef Engmeer IsHERWOOD, U.S.N. Adescrlptlonm detmlo f the hull, I was...prepared �ry glass, with which and The Burlington and Missouri Railroad Company in Ne, , . . Great Comstock Lode;...braska are about to build a new bridge across the Missouri the views he wants. The gallery artist is no longer...out 1,000 feet being over the present bed of the Missouri River. . g:ologlst, and Mr. F. A. Clark, topographer |  | | Journal (article/letter/editorial) | | adularia (K feldspar) and other minerals such as calcite, sulfosalts, precious metals, and sulfides (Henley...composition, leading to an excess heat response (Isherwood, 1977; Allis, 1981b). Heterogeneities in both...systems: Reviews in Economic Geology v. 1, 267 p. Isherwood, W.F., 1977, Geothermal reservoir interpretations...in bonanza ores of the Sleeper deposit, Humboldt County, Nevada: Evidence for colloids and implications...and Kesler, S.E., 1995, Origin of the McLaughlin mine sheeted vein complex: Metal zoning, fluid inclusion |  | Zhang, Minmin, Hao, Huidi, Tian, Lei, Wang, Jinxi, Li, Yanheng, Sun, Yuzhuang (2021) Enrichment Mechanisms of Gallium and Indium in No. 9 Coals in Anjialing Mine, Ningwu Coalfield, North China, with a Preliminary Discussion on Their Potential Health Risks. Minerals, 11 (1) 64 doi:10.3390/min11010064 | Journal (article/letter/editorial) | | of Gallium and Indium in No. 9 Coals in Anjialing Mine, Ningwu Coalfield, North China, with a Preliminary...of Gallium and Indium in No. 9 Coals in Anjialing Mine, Ningwu Coalfield, North China, with School of... eighteen samples were collected from Anjialing mine, Ningwu Coalfield, Shanxi Province for coal petrological...show enrichment in some coal seams from Pingshuo Mine District, Ningwu Coalfield, Shanxi Province, have...enriched in No. 9 coals in Anjialing surface mine in Pingshuo Mine District, especially Li and Ga that can |  | Hayes, Nick R., Buss, Heather L., Moore, Oliver W., Krám, Pavel, Pancost, Richard D. (2020) Controls on granitic weathering fronts in contrasting climates. Chemical Geology, 535. 119450 doi:10.1016/j.chemgeo.2019.119450 | Journal (article/letter/editorial) | | of highly reactive accessory minerals such as calcite (White et al., 2005) or oxidation of Fe(II) (Buss...expansion during hydration of biotite (e.g., Isherwood and Street, 1976) or during hydrothermal alteration...Run, Virginia, USA Davis Run is located within the Virginia Piedmont of the Eastern USA, and the catchment...humid than Lysina (Table 1). 2.2.2. Panola, Georgia, USA The Panola catchment overlies the same Piedmont formation...than Davis Run. 2.2.3. Río Icacos, Puerto Rico, USA of The Río Icacos catchment is located within the |  | | Journal (article/letter/editorial) | | distribution coefficients: An experimental study of calcite at elevated temperatures and pressures J. Warren...University of Minnesota, Minneapolis, MN 55455, USA (Received September 17, 1990; revised and accepted...distribution coefficients: An experimental study of calcite at elevated temperatures and pressures. Chem. Geol...hydrothermal equipment to evaluate the kinetics of calcite recrystallization at elevated temperatures and...performed with a fluid/ calcite mass ratio of 15, using Iceland spar calcite as the starting solid and |  | | Journal (article/letter/editorial) | | Purdue University, West Lafayette, IN 47907-1397, USA b Department of Earth and Planetary Science, University...University of California, Berkeley, CA 94720-4767, USA c Center for Accelerator Mass Spectrometry, Lawrence...Livermore National Laboratory, Livermore, CA 94551-9900, USA Received 25 September 2000; received in revised form...watersheds in the Diamond Mountains batholith, CA, USA, and two small watersheds from the nearby Fort Sage...in greenstone melange near San Francisco Bay, CA, USA [4,5], and in granitic rocks in the Bega Valley, |  | | Journal (article/letter/editorial) | | 92 '1'exas, future of .................. . of calcite, nodular stalagmi tes, calcareous tufa, crystalline...dollars to his income. Certainlv Ch,ef Engmeer IsHERWOOD, U.S.N. Adescrlptlonm detmlo f the hull, I was |  | McLaughlin, R. J., Sorg, D. H., Morton, Janet Lee, Theodore, T. G., Meyer, Charles E., Delevaux, Maryse H. (1985) Paragenesis and tectonic significance of base and precious metal occurrences along the San Andreas Fault at Point Delgada, California. Economic Geology, 80 (2) 344-359 doi:10.2113/gsecongeo.80.2.344 | Journal (article/letter/editorial) | | Cretaceous volcanic.rocks.Fracturesare filled with calcite and quartz. Arrowspoint to sulfidevein localities2...(dark layers)alternatingwith intergrownquartz and calcite (light layers),locality1.5. Layeringparallelsfracturewalls...presentoutwardfrom vein center, interlayeredwith quartz, calcite,and clay gouge. c 348 McLAUGHLIN ET AL. T•...areasof the main sulfidevein, indicatingthat the calcite,andfluorite,suggesting cyclicmineralde- fluoritewasdepositedat...Sphalerite Galena Chalcapyrile Adularia Fluorite Calcite Siderite Ankerite ? Rhodochrosite --? Kaalinite |  | | Journal (article/letter/editorial) | | Institute, Division of Hydrologic Sciences, Nevada, USA 3 Australian Antarctic Division, and Antarctic Climate...University of Colorado, Boulder, CO 80309-0399, USA (*correspondence: Oleg.Abramov@colorado.edu, Stephen...University - Du Bois Campus, Du Bois, PA 15801, USA (*correspondence: nma12@psu.edu) 2 Department of...University of New Mexico, Albuquerque, NM 871311000, USA CR chondrites are considered to be one of the most...Radiation Sources University of Chicago, Chicago, USA Antimony, an increasingly investigated pollutant |  | | Journal (article/letter/editorial) | | are typically brecciated and contain networks of calcite veins. At the basal contact, the Doros gabbro shows...OWEN-SMITH AND L.D. ASHWAL altered (mainly to calcite) and compositions are evidently secondary – analyses...vesicles in the rock are commonly filled with calcite or rimmed by recrystallised plagioclase. The formerly...matrix to low temperature hydrous minerals, such as calcite and clay minerals, and of the olivine and SOUTH...oxides, sericite and haematite. The abundance of calcite infilling vesicles suggests interaction with a |  | | Report (volume) | | Geol. Survey and Water Res. [Rept.] ; Rept. Inv.-Missouri Geological Survey and Water Resources [Report];...aquifers of the upper James River Valley, Brown County, South Dakota [abs.]: Geol. Soc. America Bull....pitchblende deposits in Golden Gate Canyon, Jefferson County, Colorado: U. S. Geol. Survey Bull. 1030-G, p....1890-1956. Cretaceous section, Medina County, Texas, to Val Verde County, Texas, in San Angelo Geol. Soc....Radioactive ages of minerals from the Brown Derby mine and the Quartz Creek granite near Gunnison, Colorado: |
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