 | | Book | | Udubaşa (1938, Ocnele Mari, Romania) Director of the Geological Institute of Romania, Bucharest; President...President of the Mineralogical Society of Romania; Member of the Commission for New Minerals and Mineral Names...and about 100 articles - one-third outside of Romania. Rudolf Duda (1944, Vojany, Slovakia) Head of the...Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine...Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine |  | | Journal (article/letter/editorial) | | lamprophyres, gabbros, clinopyroxene, kaersutite, plagioclase, spinel, 259 Amphibole, see Hornblende, Riebeckite...ATKtN (D.), see LIVINGSTONE(A.), 441 Auchinstarry quarry, Kilsyth, Scotland, julgoldite, 76I Avondale, Auckland...Wales, anal., X-ray, 765 Cookstove Mtn., El Paso County, Colorado, genthelvite, danalite, 627 Coordination... by, I68 ELLIS (B. G.), anals, by, 256 El Paso County, Colorado, genthelvite, 627 ELSDON (R.), Manganoan...and their oxidation, 467 Grandview mine, Grant County, New Mexico, helvine, 627 Granite, Aberdeenshire |  | | Journal (article/letter/editorial) | | Arthur C., Jr. Beryl from the Oxford mine, Troup County, Georgia Bailey, Roy A. Volcanism and the upper...Physicaland chemical data for crandallite from Alachua County, Florida Boles, James R. Composition,optical properties...Melanophlogitefrom Mount Hamilton, Santa Clara County, California Cooper,W. F. Chargerefinementof a light-atommineral...Melanophlogitefrom Mount Hamilton, Santa Clara CountY, California Dunning, G. E. The studio handbookof...Silhydrite,3SiO2.H2O,a new mineral from Trinity County, California Gupta,Alok K. The systemforsterite |  | | Report (volume) | | 147 N., R. 84 W., 4 km N of Riverdale, McLean County, N. Oak. Named for Aggie Brown Coulee, which flows...NW1/4NW1/4SW1/4SW1/4 sec. 17, T. 85 N., R. 7 W., Linn County, Iowa. A-L Peak Rhyolite Oligocene 1. New Mexico...structures in the San Mateo Mountains, Socorro County, New Mexico: New Mexico Geol. Soc. Spec. Pub. 5...Mountains, 10. sees. 33-35, T. 4 S., R. 6 W., Socorro County, N.Mex. Anapra Sandstone 1. Early Cretaceous 2...6. 7. 9. 10. at Cerro de Cristo Rey, Dofta Ana County, New Mexico, Appendix 2 in Lovejoy, E. M. P., Geology |  | | Report (issue) | | (Hornblende) 6~.7±2 m.y. Description and location: Unnamed pluton within the Talkeetna Mountains batholith...(Hornblende) 6:1.0±2 m.y. Description and location: Unnamed felsic to intermediate hypabyssal rocks. Dacite...(Amphibole) 438± 13 m.y. Description and location: Unnamed. Heterogeneous assemblage of altered mafic volcanic...Eberlein (1975). 1 Description and location: Unnamed. HE,terogeneous assemblage of altered mafic volcanic...Ordovician (Cara-:locian) to Description and location: Unnamed. HeterogeneUpper Silurian (Ludlovian) on the basis |  | | Journal (article/letter/editorial) | | minerals found in Ver mont slate. Figure 2. Slate quarry, Poultney; photo by Roger Bacon. The granite industry...decorator tiles. The Belvidere Mountain quarry, Low ell (Orleans County) is the most signifi cant locality...producers. The nearby hamlet of Eden Mills (Lamoille County) is the commonly given but incorrect name for the...the locality; it is near er to the quarry than the village of Lowell and is the last set tlement seen...locality from the south. The Belvidere Mountain quarry has produced worldclass crystals of grossular (the | | | Book | | eum. Kosice. SLK; GIR = Geological Institute of Romania, Bucharest, ROM; GM= Gold Museum, Brad, ROM : GYV...data. Bogdan Marinescu (Geological lnstilllte of Romania): Necolai Terteleac (De. ign-Art-Foto. Bucharest):...Gheorghe llinca. Mihai Tatu (Geological lnstillltc of Romania, Bucharest): Marian Lupule cu (Univcr. ity of Bucharc...mountain mountains range or chain open-pil peak pil quarry river stream valley vein galerie piir1iu pe~tcrii...deposit. which partly extends southward i1110 Romania. Genetic Types of Mineral Occun·ences early all |  | | Report (issue) | | THE A3 no.199 TA MARGARITA AREA, SAN LUIS OBISPO COUNTY, CALIFORNIA C3 BULLETIN 199 California Division...GEOLOGY OF THE SANTA MARGARITA AREA, SAN LUIS OBISPO COUNTY, CALIFORNIA by Earl W. Hart BULLETIN 199 1976............................................. 16 Unnamed sandstone and conglomerate ................................................................ 19 Unnamed cong lomerate ............................................................................. 21 Unnamed conglomerate member .......................... |  | | Journal (article/letter/editorial) | | INDEX Ecton, Staffordshire, serpierite, 882. Mells quarry, Frome, Somerset, calcite, 70. Roughten Gill, Cumberland...localities, p. 1078: Castle an Dinas quarry; Cripple's Ease quarry; Great Zawn, Zennor; Knill's Steeple...Mount ; Tregarden quarry, Luxulyan ; Tremearne ; and Tresayes. Devon Meldon railway quarry, metamorphosed...pit; Locks Cross, Sherberton Common ; Merrivale quarry; Sheltor ; and Staple Vor. WALES Benallt mine,... Co. Galway, amphibolite, axinite, epidote, plagioclase, tourmaline, 747. ASIA Arabia South Oman, meteorite |  | | Report (issue) | | Mountain rockslide, Eno River State Park, Orange County North Carolina …………………………………………………………..……..……....rocks of Orange County. Allen and Wilson (1968) published the Geologic Map of Orange County in which the...medium-grained, dense, consisting primarily of plagioclase, augite and olivine. Diabase occurs as dikes...trace to common amounts. Figure 7: Figure showing unnamed, formal and informal names of plutons and intrusive...lithologies. The dikes are typically composed of plagioclase, actinolite (after augite), chlorite and epidote |  | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...Bentley provided many of the photographs. Baldwin County Milledgeville district—between the State Sanitarium...pit—east of S.R. 243 near the Baldwin-Wilkerson County line: kaolinite (Martin and Stafford, 1972). Cheatham...property—Route 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and 0.8...[University of Calgary] at 09:55 07 August 2017 Barrow County Arnold mine—1.6 km northeast of Statham, near the |  | | Report (volume) | | Highway 49 (Skyway Road) near town of Abel, Cleburne County. Absaroka Supergroup/Volcanic Supergroup U ABRK03...volcanic field, Yellowstone National Park, Park County, Wyo. Academy Church Shale Member (Springer Formation)...W1/2NW1/4NE1/4SE1/4 sec. 1, T. 3 s., R. 2 E., Carter County. Adams Formation ADMS01 1. Holocene 2. Alaska (SE)...Quadrangle, lat 45° N., long 70°50'-55' W., Oxford County. Adamstown Member (Frederick Limestone) U ADMS06...section W of Lime Kiln in Frederick Valley, Frederick County. Named for town of Adamstown. Adobe Town Member |  | | Report (issue) | | SIGNIFICANCE OF THE QUARTZITE ON PILOT MOUNTAIN, SURRY COUNTY, NORTH CAROLINA DAN WALKER. . . . . . . . . ....Leonard S. Wiener for providing some information on county roads at a critical time. iv CAROLINA GEOLOGICAL...Crenulated and rodded quartz-feldspar layer in the State quarry (Stop 8). post-metamorphic Danbury fault originally...gneiss with the Danbury thrust sheet. The body of unnamed augen gneiss in the Ashe Formation belt may or...Early Jurassic forming the Dan River and Davie County basins that flank the anticlinorium along suitable |  | | Journal (article/letter/editorial) | | 1250 perovskite, 359 phlogopite, 34, l@9, 1206 plagioclase,795, l02l, 1242, 1258 potassiumfeldspar,303 pyroxene...fluorire. 1067 fracturehealing, 156 olivine. 296 plagioclase,1242 t32r Crystal growth, cont. pyrope,512 quartz...olivine. 296.774 oxides, 284 phlogopite, 1205 plagioclase,@\ 1242 pressurevessel,643 sanidine,1206 silicate...hedenbergite,452 magnesite,1158 perovskite, 890, 894 plagioclase,505 pyrope,713 pyroxene, 605 spinelloid,507 superhydrous...melt inclusions,146, 565, 1021 pegmatite,126 plagioclase,1242 rapakivi texture,795 rhyolite, 126, 592 |  | | Report (issue) | | Cumberland, Hobart, and MapleValley Quadrangles, King County, Washington GEOLOGICAL SURVEY PROFESSIONAL PAPER...Cumberland, Hobart, and Maple Valley Quadrangles, King County, Washington By JAMES D. VINE GEOLOGICAL SURVEY...River Formation and Puget Group_______________ Unnamed volcanic rocks_________________________ Upper Tertiary...Cumberland, Hobart, and Maple Valley quadrangles, King County, Wash. 2. Columnar sections, showing the lithology...CUMBERLAND, HOBART, AND MAPLE VALLEY QUADRANGLES, KING COUNTY, WASHINGTON By JAMES ABSTRACT 'l'he Cumberland |  | | Report (issue) | | rocks along the Elsinore fault zone in Riverside County, which have yielded K–Ar ages generally in the...rocks along the Calaveras fault zone in Santa Clara County, which have yielded K–Ar ages generally in the...along the Silver Creek fault zone in Santa Clara County that has yielded K–Ar ages of 9.3 to 10.5 Ma (Nakata...California, Berkeley, oral commun., 1989); an unnamed dacitic tuff breccia near Los Gatos, which has...Examples include unnamed basalt in an exploratory oil well near Point Reyes in Marin County (Clark and others |  | McLaughlin, R. J., Sarna-Wojcicki, A. M., Wagner, D. L., Fleck, R. J., Langenheim, V. E., Jachens, R. C., Clahan, K., Allen, J. R. (2012) Evolution of the Rodgers Creek-Maacama right-lateral fault system and associated basins east of the northward-migrating Mendocino Triple Junction, northern California. Geosphere, 8. 342-373 doi:10.1130/ges00682.1 | Journal (article/letter/editorial) | | groundmass 2 HRC-4A 38.50567 122.70250 Tuff – plagioclase 3.6 ± 0.18 3.12 ± 0.03 1.13 3.05 ± 0.11 307 ±...16 ± 0.03 3 995-25A 38.57933 122.69986 Tuff – plagioclase 3.19 ± 0.16 3.186 ± 0.022 0.40 3.180 ± 0.022...4 MRM 00-8 38.59808 122.67027 Vitric tuff – plagioclase 3.13 ± 0.15 none none 3.19 ± 0.04 289 ± 49 4...05 6 MRM 1-97 38.48850 122.69483 Andesite – plagioclase 3.62 ± 0.88 none none 5.00 ± 0.39 294.2 ± 1.5...06 292 ± 22 0.31 7.26 ± 0.04 0.29 7.35 ± 0.04 plagioclase 11 015-17B 38.54982 122.72000 Basalt – groundmass |  | | Report (volume) | | located in the Bristol quadrangle. The unit is a plagioclase-quartz gneiss marked by distinctive thin layering...Barnard Gneiss Member ·s ::I cr ·!I en :i (unnamed schists) Q. ::I 0 Savoy Schist cE ·s Moretown...amphibolite lenses and layers enclosed by hornblende-plagioclase, or by biotiteplagioclase gneiss. He made no...restricted to rock composed mainly of foliae of plagioclase and quartz that alternate with foliae of muscovite...c: .g Sweetheart Mountain Member 1-----..J Unnamed hornblende gneiss member Prospect Gneiss Bristol |  | | Report (issue) | | the Parsnip Peak Wilderness Study Area, Lincoln County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 1728-D...the Parsnip Peak Wilderness Study Area, Lincoln County, Nevada By MARGO I. TOTH, REBECCA G. STONEMAN,...the Parsnip Peak Wilderness Study Area, Lincoln County, Nevada. (Mineral resources of wilderness study...Peak (NV-040-206) Wilderness Study Area, Lincoln County, Nevada. RESOURCE/RESERVE CLASSIFICATION IDENTIFIED...mineral-exploration history 4 Perlite 4 Free perlite deposit 4 Unnamed perlite deposits 4 Blue Rock claims area 5 Hollinger |  | | Report (issue) | | FORMATION DSwr Dark-gray garnet-muscovite phyllite UNNAMED AMPHIBOLITE AND QUARTZITE DScv Thin-bedded, amphibolite... Ochf Finely laminated, hornblende-biotite-plagioclase-quartz granofels (felsic volcaniclastic) ORDOVICIAN...hornblende-biotite-plagioclase-quartz rock and hornblendebiotite-quartz-plagioclase gneiss Obf Gray...Gray to white, medium-grained, biotite-quartz-plagioclase gneiss possible felsic volcanic rock ORDOVICIAN...n Oml Pinstriped muscovite-biotite-quartz-plagioclase granofels and quartzite Ombs Black, slabby |  | | Journal (issue) | | WASHINGTON November 8, 2008 9:00 am to 5:00 pm Clark County P. U. D. Building 1200 Fort Vancouver Way Vancouver...grayish blades of ilmenite, lots of prisms of plagioclase, a few aegirine needles, and a smattering of...golden brown. The surrounding material is mainly plagioclase and the stumps of oxidized enstatite and ilmenite... 3 Pseudobrookite Twins from the Lemolo Lake Quarry Don Howard and Kent England Pseudobrookite was...1878 for material found at Uroiu, Transylvania, Romania. It is a high temperature mineral, usually formed |  | | Report (volume) | | 250-12,460 ft, sec. 14, T. 45 S., R. 27 E., Lee County, Fla. Named for the nearby Able Canal. The Able...H-20, northwest of Wattsville, northern Accomack County, Va. Reference sections: facies E and F, sand pits...Wattsville, Persimmon Point, and Accomack, Accomack County, Va. The informal Accomack beds of Mixon and others...and west of the Ames Ridge shoreline in Accomack County, Va., and are well developed from Wallops Station...Turnpike exchange, Annandale quadrangle, Fairfax County, Va. The Accotink Schist, here named, is the lower |  | | Journal (article/letter/editorial) | | ALABASTER (C. J.), An occurrence of brucite at Merehead quarry, Cranmore, Somerset, 4o0 ALEXANDER (P. O.) and...BATTEY (M. H.) and DAVIDSON (W.), Exsolution of plagioclase from clinopyroxene in a pyroxenite from Jotunheimen...stevensite, 443 Broken Hill, New South Wales, plagioclase, 469; gneiss, M2o BROWN (G. M.) and PECKETT (A...37 560 ALPHABETICAL Carter's mine, Madison County, North Carolina, kerolite, 443 Cassiar mine, British...Mendips, crystal structure, 357 Christmas mine, Gila County, Arizona, ruizJte, 429 Chrome-picotite, New Caledonia |  | | Report (volume) | | 1984) . The Southern Nantahala Roadless Area, Rabun County, Ga., and Buzzard Knob Roadless Area, Rabun and...acres of the Chattahoochee National Forest in Rabun County, Ga., and Buzzard Knob covers about 6,440 acres...acres of Chattahoochee National Forest in Rabun County 2 mi southwest of Dillard and 5 mi northwest of...lines and is paralleled along the south and east by county road 5879, which intersects U.S . Highway 23/441...described the geology and mineral resources of Rabun County, Ga . Crickrnay (1952) and Hurst (1973) included |  | | Report (issue) | | determinations) B 53-15A 0. 060 (actinolite). FD-13 (plagioclase) _____________ 0. 060 0. 0626 ( 0. 0639, 0...0621) . 267 . 272 (0. 271, 0: 272) CL-1 (plagioclase) ______________ . 329 . 324 (0. 3205, 0. 3279)...analysis of argon from biotite, sanidine, and plagioclase from four USGS sa:mples, the mean difference...minerals biotite, hornblende, potassium feldspar, plagioclase, and quartz.) The influence of chlorite content...alteration of both potassium .. feldspar and plagioclase is virtually universal in the granitic rocks |
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