 | | Report (issue) | | of previously little· known basic rocks in Towns County. It includes a review of the minerals known to... . 14 Sillimanite muscovite schist . 14 Clinozoisite rock 15 Quartzite . . . 15 16 Ultramafic...FIGURES Page 1. The ultramafic belt of eastern North America . . 2 2. 7 Contour diagram of isojoints...kyanite-garnet rock . 14 6. Photomicrograph of clinozoisite rock . . 16 7. 17 Classification of ultramafic...map of the Lake Chatuge area, Towns County, Ga., and Clay County, N.C.. . . .in pocket viii :;:. LIST |  | | Report (issue) | | Smoky Mountains National Park, Western North Carolina Carolina Geological Society Annual Field Trip November...Aiken, South Carolina Steve Gurley, Consulting Soil Scientist, Lincolnton, North Carolina Godfrey and...Blythewood, South Carolina Kubal, Furr and Associates, Greenville, South Carolina Zemex Corporation,... Spruce Pine, North Carolina Organization, registering participants, keeping financial records, and guidebook...Cooperation, encouragement, and field checking by North Carolina Geological Survey geologists: Carl E. Merschat |  | | Journal (article/letter/editorial) | | Clays and Clay Minerals. Vol. 34. No. 4. 496-498, 1986. NOTE CLINOCHLORE FROM THE SILVER STAR DISTRICT...DISTRICT, MADISON COUNTY, MONTANA Key Words-Chemical analysis, Chlorite, Clinochlore, Hydrothermal vein, Sericite...mine is in the SWIJ4 sec. 14, T2S, R6W, in Madison County and is leased by Cyprus Industrial Minerals Company...Antler mine, near-vertical clinochlore veins strike north-south and range in thickness from several centimeters...Paleozoic sedimentary rocks to the northeast. The Rader Creek pluton of the Cretaceous-age Boulder batholith has |  | | Journal (article/letter/editorial) | | the Ashe Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymond, Arthur Merschat & R. Kelly...the Ashe Metamorphic Suite of northwestern North Carolina, USA, International Geology Review, 58:7, 874-912...the Ashe Metamorphic Suite of northwestern North Carolina, USA Loren A. Raymonda, Arthur Merschatb and R...State University, Boone, NC, USA; bUS Geological Survey, Reston, VA, USA; cDepartment of Geology and Geography...Geography, Georgia Southern University, Statesboro, GA, USA ABSTRACT ARTICLE HISTORY Metaultramafic rocks |  | Karmakar, Shreya, Mukherjee, Subham, Sanyal, Sanjoy, Sengupta, Pulak (2017) Origin of peraluminous minerals (corundum, spinel, and sapphirine) in a highly calcic anorthosite from the Sittampundi Layered Complex, Tamil Nadu, India. Contributions to Mineralogy and Petrology, 172 (8) doi:10.1007/s00410-017-1383-8 | Journal (article/letter/editorial) | | assemblage corundum + amphibole + anorthite + clinozoisite was stabilized during high-pressure (HP) metamorphism...al. 1999), Rupaha, SriLanka (Fernando 2001), Buck Creek, southern Appalachians (Tenthorey et al. 1996)...minerals (corundum, spinel, sapphirine, gedrite, clinozoisite and staurolite) are reported from the amphibole-rich...amphibole grains (Fig. 3a). Locally, prismatic clinozoisite is present in the plagioclase–amphibole matrix...The dimensional orientation of amphibole and clinozoisite defines a crude banding, but individual grains |  | | Journal (article/letter/editorial) | | About 40 miles northeast of Montgomery in Coosa County there is an outcrop that carries considerable tin...minerals are also listed: albite, apatite, beryl, clinozoisite, corundum, epidote, fluorite, garnet, graphite...might find interesting. It is scheelite from Marin County, California. It is of primary interest as it is...Andreas fault, extending from Marin County to San Luis Obispo County. Included in the Sur Series are limestone...Such beds are found in the vicinity of the Marin County discovery and are probably related to its origin |  | | Report (issue) | | Ridge plutons -------------------------------Leroy Creek pluton ----------------------------------Seven-fingered...pluton ----------------------------High Pass and Buck Creek plutons -------------------Riddle Peaks plut...----------------Hornblende diorite of upper Rock Creek -------Granitoid dikes -----------------------------Duncan...otite-quartz diorite -----------------Railroad Creek pluton and associated rocks --------Copper Peak...--------------------------------Tectonic sketch map of north-central Washington showing the relation of the Holden |  | | Report (issue) | | .'.' .., Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie RUTILE GUMMITE...Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North CarOlina Department of Natural Resources and Community...for the general welfare of the citizens of North Carolina. The Section conducts a number of basic and...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist FRONT | | | Report (issue) | | Information Circular 24 Mineral Collecting Sites in North Carolina By W. F. Wilson and B. J. McKenzie Raleigh...copies of this publication may be obtained from: North Carolina Department of Natural Resources and Community...Geological Survey Section, P. O. Box 27687, Raleigh, North Carolina 27611. Eldon P. Allen, Chief Geologist i ...FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian Institution (slide...viable mineral collecting sites through out North Carolina. Some sites are commercially operated during |  | | Journal (article/letter/editorial) | | breakdown reactions of anorthite to zoisite, clinozoisite, and other products in unseededruns have been...accompanying breakdown of anorthite to zoisite, clinozoisite, and other phasesat tempera(2) anorthite + H2O...Lichfield, Connecticut, zoisite from Buck Creek, North Carolina, synthetic margarite and the anorthite...product at 450'and 500'C also contains clinozoisite, and clinozoisite is the dominant phaseat 450"C. In the...pressures(450'and l5 kbar, 600"and 20 kbar) clinozoisite is also present (Table 2). In these higher pressure |  | CRUCIANI, G., FRANCESCHELLI, M., GROPPO, C., BROGIONI, N., VASELLI, O. (2008) Formation of clinopyroxene + spinel and amphibole + spinel symplectites in coronitic gabbros from the Sierra de San Luis (Argentina): a key to post-magmatic evolution. Journal of Metamorphic Geology, 26 (7) 759-774 doi:10.1111/j.1525-1314.2008.00786.x | Journal (article/letter/editorial) | | symplectite in mafic rocks from the Buck Creek ultramafic body, North Carolina, and from the Ulten zone, Italy...contents are negligible. Epidote belongs to the clinozoisite–epidote series. Fe3+ content is 0.03 a.p.f...and Cpx + Spl symplectites in the rocks from Buck Creek California. However, the microstructural features...spinel, garnet, amphibole, chlorite, zoisite, clinozoisite, lawsonite and talc. Solid-solution models and...symplectites in metatroctolites from the Buck Creek ultramafic body, North Carolina Blue Ridge. American Mineralogist |  | | Report (volume) | | ___---__-_--__ Pole Creek dacite_______.------_.-.--_._.--.--._...._ Slide Creek gravel___._________..._________...___.__...... Jenny Creek tuff___...__---..-_..-.._--_.__.___-....-.._ Cougar Point welded tuff..........-__._-.----.-.-__---..-.._-. Robinson Creek dacite..___________________________________ Banbury formation__-______... The Jarbidge quadrangle in Elko County, Nevada, and Owyhee County, Idaho, is an area of rugged mountains...total relief. The mountains are bounded on the north by a dissected tableland of young volcanic rocks |  | | Report (issue) | | Geology of the Eastern Great Smoky Mountains North Carolina and Tennessee By JARVIS B. HADLEY and RICHARD...OF THE GREAT SMOKY MOUNTAINS, TENNESSEE AND NORTH CAROLINA GEOLOGICAL SURVEY PROFESSIONAL PAPER 349-B...ement complex _____________________________ _ Carolina gneiss_ ______________ ___________ - Definition...Amphibolite _________ - ___ --- __ -- __ -Origin of the Carolina gneiss ___________ -Plutonic rocks ___________________...-------Origin and manner of deposition __ ----~--Walden Creek group _______________________ _ Wilhite formation |  | | Journal (article/letter/editorial) | | 500-mile-long state situated mainly between 35° and 36.6° North latitude and bounded on the west by the Mississippi...left). Calcite, 5.5 cm high, Elmwood mine, Smith County. Terry Huizing specimen, Jeff Scovil photo. Figure...(above). Fluorite, 13.1 cm wide, Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo....Smith County. Terry Huizing specimen and photo. Figure 4 (right). Cumberland mine, Smith County. Travis...earths to make saltpeter, at Nicojack Cave in Marion County, then nitromagnesite at the same location (Shepard |  | | Book (volume) | | beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...of rd. a few yds., outcropRose Quartz. DOUGLAS COUNTY CORSICA, S on US 281 to Armour, area rd. cuts, |  | | Journal (article/letter/editorial) | | jadeite/omphacite þ paragonite þ phlogopite þ albite þ clinozoisite/epidote muscovite analcime. Jadeite core...mineral assemblage of the albitites is albite þ clinozoisite/epidote muscovite omphacite phlogopite...and that of the muscovite rock is muscovite þ clinozoisite þ chlorite. Because these zones have no high-pressure...were removed. REE-rich veinlets emanate from clinozoisite grains, suggesting REE mobility during the fluid–jadeitite...jadeitite with actinolite veins in serpentinite at north side of the Motagua fault, Guatemala, and mentioned |  | Chowdhury, P., Talukdar, M., Sengupta, P., Sanyal, S., Mukhopadhyay, D. (2013) Controls of P-T path and element mobility on the formation of corundum pseudomorphs in Paleoproterozoic high-pressure anorthosite from Sittampundi, Tamil Nadu, India. American Mineralogist, 98 (10) 1725-1737 doi:10.2138/am.2013.4350 | Journal (article/letter/editorial) | | (magnesiohornblende to tschermakite to pargasite) + clinozoisite (C1PACz) developed in highly calcic anorthosite...amphibole. Development of the assemblage chlorite + clinozoisite + secondary corundum after spinel + anorthite...condition triggered the formation of the chlorite–clinozoisite–secondary corundum assemblage (6–8 kbar, <620...anorthosite developed the assemblage högbomite + clinozoisite + magnetite + chlorite + calcite at 650 ± 50...up of plagioclase (up to 70 vol%) with minor clinozoisite, chlorite, and amphibole (together constituting |  | | Journal (article/letter/editorial) | | Sciences, Stanford University, Stanford, CA 94305, USA ABSTRACT Early Palaeozoic kyanite–staurolite-bearing...plagioclase inclusions in M2 kyanite associated with clinozoisite indicates a hydration reaction to form the kyanite-bearing...and melanocratic varieties by the content of clinozoisite. Concentrations of major (Si, Ti, Al, Fe, Mn...This rock type consists mainly of hornblende, clinozoisite and kyanite with small amounts of paragonite... FACIES M1 M2 M3 GR EA GS HORNBLENDE CLINOZOISITE ZOISTE EPIDOTE KYANITE STAUROLITE CORUNDUM PLAGIOCLASE |  | | Book (volume) | | limestone, and seams of coal usually underlain with clay. In these coal seams the collector may often find...grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper...Mississippi R.⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip |  | | Book (volume) | | limestone, and seams of coal usually underlain with clay. In these coal seams the collector may often find...grading to 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper...Mississippi R.⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip |  | | Report (issue) | | Contents Block-in-matrix structures in the North Carolina Blue Ridge belt and their significance for...McKinney Tectonic mélange at Chunky Gal Mountain, North Carolina Alfred J. Lacazette, Jr., and Nicholas Rast...in the Carolinas and Georgia, that border the Carolina terrane as defined by Secor and others (1983);...(Rodgers, 1968) at the eastern edge of ancestral North America (e.g., Bird and Dewey, 1975). Rowley and...less well known in the Silurian strata of eastern North America. In New Brunswick, the 6 Rast and Horton |  | | Report (issue) | | Metasomatic metamorphism in western Clearwater County, Idaho. (B) Anorthosite and associated rocks in...batholith near Pierce and Bungalow, Clearwater County, Idaho. (E) Belt series in the region around Snow... Metasomatic Metamorphism in Western Clearwater County Idaho By ANNA HIETANEN METAMORPHIC AND IGNEOUS...Section along the North Fork of the Clearwater River__ ________________________ 34 Section north of Ahsahka-_______________...showing relations among plagioclase, zoisite, and clinozoisite in calcium-magnesiumaluminum silicate rock |  | Sengupta, P., Bhui, U. K., Braun, I., Dutta, U., Mukhopadhyay, D. (2009) Chemical substitutions, paragenetic relations, and physical conditions of formation of hogbomite in the Sittampundi layered anorthosite complex, South India. American Mineralogist, 94 (11) 1520-1534 doi:10.2138/am.2009.3121 | Journal (article/letter/editorial) | | compositional layers rich in clinopyroxene+amphibole+clinozoisite+chlorite±chromite and corundum+spinel+chlorite...and silicates (amphibole, chlorite, anorthite, clinozoisite). Interpretation of the reaction reveals that...anorthite (confirmed by microprobe analysis)+clinozoisite, and (3) layers rich in amphibole+clinopyroxene±chromite...layers, randomly oriented and tabular grains of clinozoisite replace the polygonal aggregates of anorthite...calcite and pyrite are found in the clusters of clinozoisite (Figs. 2g and 2h). Blue-green amphibole replaces |  | | Report (volume) | | sandstone are quartz, partly altered feldspar, mica, clay, and fragments of basalt, fine-grained argillaceous...quadrangle. The flows, more extensively exposed to the north, overlie the Fisher formation, and, therefore, are...value in the area include quicksilver and alumina clay. INTRODUCTION LOCATION AND EXTENT OF AREA The Anlauf...Alien and others (1951) described the high-alumina clay deposit at Hobart Butte. J. S. Diller's many contributions...merges imperceptibly with the Coast Ranges. Farther north in Oregon the physiographic distinction between |  | | Book | | be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: PRODUCTS OF A CHANGING...zeolites. Calcite (septarian nodule), San Juan County, Utah, USA * 18 x 24x Bem 14 | MINERALS: PRODUCTS... Located on an island about 300 km (185 miles) north of Yellowknife, the Acasta River deposit is believed...Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA ° 14x 15 x 10 cm Corundum, Mozambique * 17 x 11...typical crystal shape. Goethite, Tintic, Utah, USA * 16.5 x 3.5 x 2.5 om Drusy These minerals have |
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