 | | Report (issue) | | STATE GEORGIA DIVISION OF CONSERVATION DEPARTMENT OF MINES, MINING AND GEOLOGY A. S. Furcron, Director...Bulletin Number 79 ANNOTATED BIBLIOGRAPHY OF GEORGIA GEOLOGY THROUGH 1959 by Howard Ross Cramer, Arthur...James George Lester Emory University, Atlanta, Georgia ATLANTA 1967 LETTER OF TRANSMITTAL Department...Governor of Georgia and Commissioner Ex-Officio State Division of Conservation Atlanta, Georgia 30334 Dear...and Geology entitled, "Annotated Bibliography of Georgia Geology Through 1959," by Drs. Howard R. Cramer |  | | Report (issue) | | BIBLIOGRAPHY OF GEORGIA GEOLOGY 1971 through 1979 by Howard Ross Cramer ATLANTA 1986 GEORGIA DEPARTMENT...PROTECTION DIVISION GEORGIA GEOLOGIC SURVEY BULLETIN 101 ANNOTATED BIBLIOGRAPHY OF GEORGIA GEOLOGY 1971...1971 through 1979 by Howard Ross Cramer Georgia Department of Natural Resources J. Leonard Ledbetter, Commissioner...Division Harold F. Reheis, Assistant Director Georgia Geologic Survey William H. McLemore, State Geologist...1986 BULLETIN 101 ANNOTATED BIBLIOGRAPHY OF GEORGIA GEOLOGY FROM 1971 through 1979. by Howard Ross |  | | Journal (article/letter/editorial) | | coarse-grained, biotitehave previouslybeenpresentedby Watson (1910), ite surrounded amphibole granite, quartz...epidote + white mica+ chlorite+ albite+ alkali feldspar Winnsboro âą / ? , âągoâąi -+ calcite. The...epidote+ white mica ---+calcite- quartz. Alkali feldspar is locally, but not invariably, altered to a red-brown... SCIENTIFIC COMMUNICATIONS The present alkali feldspar is apparently in equilibrium with the products...expectationthat the residualfluid of a granite magma KâąO-CaO-AI=Oâą-SiO=-H=O from Johannes and Orwould approach |  | | Report (volume) | | Swift Creek Mine 28 6. Suwannee River mine 29 7. Noralyn Mine 30 8. Gardinier (Cargill) mine 31 9. Nichols...Nichols mine 32 10. Ft. Meade mine 33 11. Clear Springs mine 34 12. C.F. Hardee complex 35 13. Ft. Green...Green mine 36 14. Saddle Creek mine 37 15. Lonesome mine 38 16. Watson mine 39 17. Phosphoria mine 40 18...18. Rockland mine 41 Contents Ill 19. 20. 21. 22. 23. Haynsworth mine 42 Lonesome mine 43 Hookers Prairie...Prairie mine 44 Four Corners mine 45 Kingsford mine 46 TABLES 1. Average grain sizes of samples of the |  | | Journal (article/letter/editorial) | | CRYSTALLIZATION HISTORY OF THE STONE MOUNTAIN GRANITE, GEORGIA, U.S.A. Kristen M. LONGFELLOW and Samuel E. SWANSON§...University of Georgia, Athens, Georgia 30602, U.S.A. Abstract The Stone Mountain pluton, in Georgia, is composed...of pegmatiteâaplite dikes. Pegmatites and thin feldspar â quartz â tourmaline veins contain euhedral tourmaline...fine-grained leucocratic, Fe-depleted halo of feldspar and quartz. Electron-microprobe analyses show... aplite, undercooling, Stone Mountain pluton, Georgia. Sommaire Le pluton de Stone Mountain, en Georgie |  | | Report (issue) | | The Geology of the Celeste 71/2' Quadrangle, Georgia by Mark E. Hall Department of Natural Resources...Resources Environmental Protection Division Georgia Geologic Survey Information Circular 94 I Cover photo:...1900's. It originally stood in Jackson Crossroads, Georgia. The store is now a part of the Callaway Plantation... The Geology of the Celeste 71/2' Quadrangle, Georgia by Mark E. HaD Department of Natural Resources...Reheis, Director Georgia Geologic Survey William H. McLemore, State Geologist Atlanta, Georgia 1993 Information |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Creek area, Last Chance Mining District, Plumas County, California. Axis, volume 1, number 1, pages 1â30...in the pools that formed. The Star of the Congo mine near Lubumbashi, in particular, (famous among mineralogists...rosette of deep yellow shabaite from the Kamoto East mine. This beautiful matrix specimen was pictured in...favorite locality, the mineralogically complex Kipushi mine. He wrote âLa collection des . . . chantillons minĂ©ralogiques |  | | Report (issue) | | Land Use 44 Demand 46 Prices 48 Production USA Brazil 48 51 52 Page Federal Republic of Germany...their high quality. The United Kingdom is, after the USA, the second largest producer of kaoliri but the leading...England were formed by the in situ alteration of the feldspar component (principally sodic plagioclase) of the...matrix-consisting principally of quartz, micaceous mineral, feldspar and kaolinite, is hydraulically mined. Kaolinite...kaolin and china stone or 'petuntse' (a mixture of feldspar and quartz), which acted as the flux. For many |  | | Report (issue) | | GEORGIA STATE DIVISION OF CONSERVATION DEPARTMENT OF MINES, MINING AND GEOLOGY A. S. FURCRON, Director...Governor of Georgia and Commissioner Ex-Officio State Division of Conservation Atlanta, Georgia Dear Governor...report contains a number of articles prepared by Georgia geologists and by some geologists working outside...of an Area in the Vicinity of Adairsville, Georgia, by K. Spalvins -·-------·--------------·-----·--...of the Murphy Marble Belt in Parts of Northern Georgia, by William M. Fairley ------------------------------------------ |  | | Journal (article/letter/editorial) | | feldspars (including the plagioclase and the alkali feldspar series, and their respective species) comprise...29 percent sodic plagioclase, and 20 percent K-feldspar (Stilling, ÄernĂœ, and Vanstone 2006). Together... Because pegmatites consist mostly of quartz and feldspar, readers might expect that these minerals have...ionic impurities in quartz include H, Li, Na, and K, Al, Fe3+, and Ti. Ferric iron and Ti are responsible...Granite The intergrowths of quartz and alkali feldspar shown in figures 4 and 5 are termed graphic granite |  | DRUMMOND, M. S., WESOLOWSKI, D., ALLISON, D. T. (1988) Generation, Diversification, and Emplacement of the Rockford Granite, Alabama Appalachians: Mineralogic, Petrologic, Isotopic (C & O), and P--T Constraints. Journal of Petrology, 29 (4) 869-897 doi:10.1093/petrology/29.4.869 | Journal (article/letter/editorial) | | DAVID WESOLOWSKI AND DAVID T. ALLISON 3 870 M A R K S D R U M M O N D ET AL INTRODUCTION GEOLOGIC SETTING...the assemblage quartz, muscovite, biotite, and feldspar with accessory graphite, garnet, sillimanite,...plagioclase and in contact anhedral An=l6 ± 0 3 with K-feldspar. Thought to be a O r = 1 +0.1 solid state exsolution...exsolution product n=2 from an original alkali feldspar upon magmatic cooling. I. rounded, discrete grains...olive schorlite, commonly included in quartz and feldspar. Molecular component abbreviations: Ab = albite |  | | Journal (article/letter/editorial) | | Department of Natural Resources, Rolla, MO 65401, USA Received 28 July 2000; accepted 8 August 2001 Abstract...they are high SiO2, subalkaline rhyolites with high K/Na and Fe/Mg ratios and low CaO concentrations (Kisvarsanyi...hornblendeâ biotite adamellite and syenite. The Silver Mine Granite biotiteâamphibole granite ring pluton has...composition (Sylvester, 1984). The older Silver Mine Mafic Group is olivine-free, exhibits granitic xenocrysts...and Kisvarsanyi, 1990). At the Pea Ridge magnetite mine, a U âPb xenotime age of 14669 4 Ma has confirmed |  | | Journal (article/letter/editorial) | | Geophysics, University of Oklahoma, Norman, OK 73019, USA a r t i c l e i n f o Article history: Received...temperatures of pegmatite-forming melts . . . . 3.3.1. Feldspar solvus thermometry . . . . . . . . . . . . . 3...elongation, the grain size of the graphic quartzâK-feldspar intergrowth coarsens upward. Light blue bands...quartzâfeldspar intergrowth in relation to Manebach twin planes. Swamp dike, Little Three mine, Ramona...Ramona, California (USA). Pegmatites share textural features in common with hydrothermal veins, including |  | | Book | | & gravel 235 Sandstone and related materials Feldspar 106 Fluorspar Garnet Graphite 110 Slate ...industry are clear: the mining and milling of feldspar, for example, belong to this book but the manufacture...come not merely from one district but from a single mine. Thus the physical properties of many rocks and...applied to minerals as diverse as sylvite and feldspar. Mica and talc may be micronized, i.e. subjected...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source |  | | Journal (article/letter/editorial) | | Luanchuan orecluster. The occurrence of abundant K-feldspar 56 xenocrysts, possibly entrained from granitic...crystallization of plagioclase or alkali 65 feldspar. Mineralized quartz diorite formed at a relatively...alteration and 96 metamorphic processes (Ayers and Watson, 1991; Ekstrom, 1972; Creaser and Gray, 97 1992)...(Wang et al., 2018) that 169 contains abundant K-feldspar xenocrysts (mainly >1cm; Fig. 3g). Huangbeiling... quartz (7-10 vol. %), biotite (2-5 vol. %), K-feldspar (1-2 vol. %), 220 other accessory minerals |  | | Journal (article/letter/editorial) | | otherwise retain distinct plagioclase chemistry, K-feldspar/plagioclase pairs, and biotite with much widerranging...University of California, Los Angeles, Los Angeles, CA, USA Keywords minerals Zircon · Mineral inclusion ·...tend to be granitic in nature, including quartz, feldspar, and mica (Maas et al. 1992; Hopkins et al. 2010;...terms of the modal proportions of quartz, alkali feldspar, and plagioclase. Jennings et al. (2011) also...included in zircon and those in the whole rock, feldspar included in zircon is instead consistently higher |  | Seifert, W., Rhede, D., Thomas, R., Förster, H.-J., Lucassen, F., Dulski, P., Wirth, R. (2011) Distinctive properties of rock-forming blue quartz: inferences from a multi-analytical study of submicron mineral inclusions. Mineralogical Magazine, 75 (4) 2519-2534 doi:10.1180/minmag.2011.075.4.2519 | Journal (article/letter/editorial) | | geological significance of blue quartz remains obscure. K EY WORDS : blue quartz, submicron inclusions, entrapment...granite and Broken Hill ore deposit) and Llano County (Texas). These occurrences were selected to gain...cataclastic, unfoliated and contain reddish perthitic K-feldspar and blue quartz grains up to 1 cm in size (Wiedemann...ïŹnegrained mylonite gneisses with porphyroclasts of feldspar and bluish quartz. Sample TG was collected from...quartz grains (up to 2 cm), reddish perthitic K-feldspar (up to 4 cm), biotite, and accessory apatite |  | | Report (issue) | | EMPLACEMENT OF GRANITIC ROCKS IN THE CEDAR ROCK COMPLEX, GEORGIA PIEDMONT Robert L. Atkins Jerry A. Lineback DEPARTMENT...NATURAL RESOURCES ENVIRONMENTAL PROTECTION DIVISION GEORGIA GEOLOGIC SURVEY Cover: Outcrop of High Falls...High Falls State Park, northwestern Monroe County, Georgia. Structural Relations, Origin and Emplacement...Cedar Rock Complex, Georgia Piedmont Robert L. Atkins Jerry A. Lineback Georgia Department of Natural...Protection Division Harold F. Reheis, Director Georgia Geologic Survey William H. McLemore, State Geologist |  | | Journal (article/letter/editorial) | | 1007/s00410-019-1617-z (2020) 175:8 ORIGINAL PAPER Feldspar thermometry in pegmatites: truth and consequences...derived from feldspar solvus thermometry, with supporting data from the K/Cs ratio of K-feldspar, the extent...order in K-feldspar, and the texture of granophyre found along the margins of dikes. Although K-feldspars...ordered toward the centers of dikes, their ratio of K/Cs falls from margin to core along trajectories that...samples that record loss of Cs, and consequent rise in K/Cs, validate the test of fidelity that the perthites |  | | Report (issue) | | GOLD IN EAST-CENTRAL GEORGIA , by Vernon J. Hurst University of Georgia with contributions by Kenneth...Plemons Georgia Department of Natural Resources Environmental Protection Division Georgia Geologic Survey...Mil8ing PDant, Parks GoUd Mine, McDuffie County, Georgia. Photo courtesy Georgia Department of Archives...History. GOLD IN EAST-CENTRAL GEORGIA by Vemon J. Hurst University of Georgia with contribl!.lltions lby...of the Accelerated Economic Minerals Program GEORGIA DEPARTMENT OF NATURAl RESOURCES Jl. leonard ledbetter |  | | Journal (article/letter/editorial) | | and mineral chemistries and ascent rates of high-K calc-alkalic epidote-bearing magmas, Northeastern...plutons are high-K calc-alkalic granodiorites to monzogranites, with tabular K-feldspar megacrysts. Pistacite...environment. Chemical compositions of amphibole, feldspar, biotite, epidote, titanite, and FeâTi oxide minerals...oxygen fugacity (Wones, 1989). High-K calc-alkalic granitoids have high-K contents and are enriched in other...rare earth elements) compared to low-K calc-alkalic granitoids. High-K I-type granitoids, although prominent |  | | Journal (article/letter/editorial) | | -oxybarometry, zircon saturation thermometry, and two-feldspar thermometry, with all analyses conducted by laser-ablation...limits of uncertainty with those obtained via two-feldspar thermometry in most cases, whereas temperatures... 1993; Xirouchakis et al. 2001), or biotite, K-feldspar and magnetite (Wones and Eugster 1965; Wones...10, 000 T (1) in which temperature is given in K, ASI refers to molar ÂAl2O3/(CaO+Na2O+K2O), and âFMQ...separate) inclusions of FeâTi oxides within quartz and feldspar phenocrysts. Results of both types of samples |  | | Journal (article/letter/editorial) | | Kalamazoodepositis in Sections3, 4, 9, 10, T9S, R 16E, Pinal County, Arizona, and it is sevenmileseastfrom Oracle,Arizona...n zoningat San Manuel-Kalamazoo ,,"' SanManuel Mine ,...with the considerablyyounger. It may correlate (Watson, bottom(west endafter tilting) probablybeingsome1967)...produce 650 ]. DAVID LOWELL K-4 K-35 K-31 K-29 K-26 K-18 K-8 3,500 EL K-25 San Manuel âą,A Shaft...Manuel- Kalamazoo orebody consistsof biotite K-feldspar alteration(Fig. 4). Several authors, especially |  | | Report (issue) | | ....... Mineralogy.......................... K-Feldspar................ Plagioclase............... Quartz...Pegmatite Commodities..................... Potassium Feldspar........ Quartz.................... Mica.........FIGURES Frontispiece The MacKenzie Lake (Gunter) Feldspar Mine (Lot 27, Hastings Road West Sabine Township)...Woodcox Mine (Monteagle Township). .................3-4 2 (a). Photo: Cameron And Aleck Mine (Murchison.... .. . . . . ...........7-8 2(b). Photo: Card Mine (Portland Township). . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Although an age of ~ 380 Ma was obtained using K-feldspar in the veins the data are not conclusive. It...quartz veins 200 m to the west of the Tyndrum Pb + Zn mine (Fig. 1) which contain up to 4.32 oz/ton Au and...quartzite cemented by quartz containing pyrite, K-feldspar and occasional grains of galena. Another vein...third vein (HV4) comprises coarse grained quartz, K-feldspar and pyrite with minor chlorite. Beinn Chuirn...cutting the reddened arkosic host rock in which K-feldspar is partially altered to sericite. The pyrite |
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