 | | Report (issue) | | the coverāTurquois crystals from Lynch Station, Virginia; x ca.; phoĀ tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... Ā© R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Report (issue) | | JL / Culpfeper and B arbour sville Basins, Virginia and Maryland C7 ll.S. / PAPER Triassic-Jurassic...Stratigraphy of the Culpeper and Barboursville Basins, Virginia and Maryland By K.Y. LEE and AJ. FROELICH U.S...stratigraphy of the Culpeper and Barboursville basins, Virginia and Maryland. (U.S. Geological Survey professional...Geology Culpeper Basin (Va. and Md.) 4. Geology Virginia Barboursville Basin. I. Froelich, A.J. (Albert....................................... Millbrook Quarry Member ....................................... |  | | Report (issue) | | and C.M. Sears U.S. Geological Survey Reston, Virginia 22092 Open-File Report 92-448 This report is...Site Number, Site Name ...................... 6 County, State, Quadrangle, Latitude, Longitude .........Occurrences located in the Culpeper basin, Maryland and Virginia ..................... 168 H. Section H: Occurrences...Occurrences located in other areas of Virginia. ... 185 I. Section I: Occurrences located in North Carolina...given in the categories of : 1. name and location ( county, state, quadrangle, latitude, and longitude) 2 |  | | Journal (issue) | | Explore our website! October Meeting Program: Virginia Mineral Project (details on page 5) In this issue...Field trip report: Manassas quarry .................. p. 17 Manassas quarry geology, part 1 .............morphologies. Letās explore it together. Northern Virginia Mineral Club members, Ancient Uses and Etymology... Botryoidal hematite from the Red Mountain Mine, Augusta County, VA. Photo: Bob Cooke. Hematite rose on quartz...specimens are also readily available on the market. Specularite is a micaceous form of hematite, usually not |  | | Book (volume) | | beds, excavations, etc.ļ¾Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...ļ¾gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.ļ¾petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: ļ 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...minesļ¾Columbite, Gold, Silver, etc.; and (2) Old Marble Quarry on the Needles Hwy. 5.5 mi. NEļ¾Scheelite, and deep |  | | Journal (article/letter/editorial) | | Minerals 2020, 10, 316 4 of 14 %), and specularite (0ā5 vol. %) (Figure 3d). Phlogopite-magnetite...characterized by phlogopite, (5ā10 vol. %), and specularite (0ā5 vol. %) (Figure 3d). Phlogopite-magnetite...northeast stage part of Guojialiang village, ā¦ 0 ā¦ 0 specularite, and talc. The diopside and actinolite is replaced...liquid, magnetic Minerals 2020, 10, 316 5 of 14 USA). Zircon grains were then mounted in epoxy resin... Berkeley Geochronology Center, California, CA, USA) [38]. 206 Pb/238 U age is accepted for zircons younger |  | | Report (volume) | | aspects of the geology of the Culpeper basin of Virginia. The editors are grateful to the authors, technical...and Deep Run basins in the eastern Piedmont of Virginia 40 By Eleanora I. Robbins and Robert E. Weems...characteristics of Mesozoic basalts, Culpeper basin, Virginia lOS By Richard P. Tollo Reinterpretation of the...Mesozoic intrusive rocks in the Culpeper basin, Virginia and Maryland 151 By Albert J. Froelich and David...early Mesozoic diabase sheets, Culpeper basin, Virginia 16S By Paul C. Ragland and Jonathan D. Arthur |  | Espi, Joseph Onglo, Hayashi, Ken-Ichiro, Komuro, Kosei, Murakami, Hiroyasu, Kajiwara, Yoshimichi (2007) Geology, Wall-rock Alteration and Vein Paragenesis of the Bilimoia Gold Deposit, Kainantu Metallogenic Region, Papua New Guinea. Resource Geology, 57 (3) 249-268 doi:10.1111/j.1751-3928.2007.00021.x | Journal (article/letter/editorial) | | (1) chloriteāepidote-selvaged quartzācalciteāspecularite vein; (2) local quartzāilliteāpyrite alteration;...paragenetically divided into 10 stages: (1) quartzācalciteāspecularite vein; (2) quartzāilliteāpyrite; (3) quartzāsericiteā...Stages 1ā3 Chloriteāepidote-selvaged quartz speculariteācalciteā pyrite vein (approx. 1110ā1215 m a.s...Vol. 12. Mineralogical Society of America, Chantilly, VA, USA, 126ā136. Rogerson, R. and Williamson, A |  | | Book (volume) | | the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.āÆcone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Toddās Ford, a mineral depositāÆHematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarriesāÆoilstone. DELAWARE COUNTY DELAWARE |  | | Book (volume) | | the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.āÆcone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Toddās Ford, a mineral depositāÆHematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarriesāÆoilstone. DELAWARE COUNTY DELAWARE |  | | Report (volume) | | assachusetts, Connecticut, New jersey, Pennsylvania, Virginia , Maryland , North Carolina, and other Eastern...Massachusetts, Connecticut, New Jersey, Pennsylvania, Virginia, Maryland , North Carolina, and South Carolina...appropriate, the applicable early Mesozoic basin, State, county, or 7 1/2minute USGS topographic quadrangle covered...the State are cited. More than one basin, State, county, or quadrangle may appear for an entry. A State...C.-S.C.) Deep River (N.C.) Durham (N.C.) Davie County (N.C.) Dan River and Danville (N.C.-Va.) Scottsburg |  | | Journal (article/letter/editorial) | | many cases, the barite occurs together with specularite, other iron minerals (e.g., goethite, ankerite...Pangea [6]. These fault systems continued into the USA in the southwest and into Europe in the east. Deformation...fluorite-barite deposits in the Rio Grande Rift (New Mexico, USA), the F has been shown to be derived from upwelling...Map, Apple River and Cape Chignecto, Cumberland County, Map 90-11, 1: 50 000 Scale; Nova Scotia Department... Mills, J.W. Bedded barite deposits of Stevens County, Washington. Econ. Geol. 1971, 66, 1157ā1163. [CrossRef] |  | | Report (issue) | | and F. F. Wright___________ Rutile in the Harford County, Md., serpentinite belt, by Norman Herz and L....Valentine________________________ Phosphate occurrences in Nye County and adjacent areas, Nevada, by C. L. Rogers, F...__ Malachite- and specularite-bearing Triassic sandstone localities near Chantilly, Va., by J. P. D'...of lamprophyre dikes near Great Falls, Maryland-Virginia, by J. C. Reed, Jr., R. F. Marvin, and J. H. ...quality of selected streams in southern Nassau County, Long Island, N.Y., by Ellis Koch __ C189 Use of |  | | 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...Madagascar e(2x23x3em Quartz, Mount Ida, Arkansas, USA Ā° 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...linarite, Bingham, New Mexico, USA * 9x 75 x 2.cm Arborescent copper, Michigan, USA * 35 x 8 x 1 cm Radiating |  | Fairey, Brenton J., Timmerman, Martin J., Sudo, Masafumi, Tsikos, Harilaos (2019) The Role of Hydrothermal Activity in the Formation of Karst-Hosted Manganese Deposits of the Postmasburg Mn Field, Northern Cape Province, South Africa. Minerals, 9 (7) 408 doi:10.3390/min9070408 | Journal (article/letter/editorial) | | Hematite is also present, in the textural of specularite microscope here, but The bulk-rock XRD analysis...also present, occurring in the textural form of specularite (50 to 100 Āµm). The distribution of Fe, Mn, Si...Mineralogy; Mineralogical Society of America: Chantilly, VA, USA, 2003. Gottardi, G.; Galli, E. Natural Zeolites; |  | OberthĆ¼r, Thomas, Melcher, Frank, Fusswinkel, Tobias, van den Kerkhof, Alfons M., Sosa, Graciela M. (2018) The hydrothermal Waterberg platinum deposit, Mookgophong (Naboomspruit), South Africa. Part 1: Geochemistry and ore mineralogy. Mineralogical Magazine, 82 (3) 725-749 doi:10.1180/minmag.2017.081.073 | Journal (article/letter/editorial) | | vein quartz and occur together with hematite/specularite. Goethite replaces hematite in altered samples...Cabral, 2006), from the New Rambler Mine, Wyoming, USA (McCallum et al., 1976), from the unconformityrelated... Mineralogical Society of America, Chantilly, VA, USA. http://www.handbookofmineralogy.org/. |  | | Journal (article/letter/editorial) | | black nodules, flakes and tabular crystals (āspeculariteā). Hematite is also dispersed in ochre and earths...coatings. The American Ceramic Society, Colombus, USA, 332p. Fantoni, R., Caneve, L., Colao, F., Fornarini...sieĢcle par spectroscopie Raman: Saint-Cloud, Chantilly, Mennecy et Vincennes/SeĢvres. Revue DāarcheĢomeĢtrie |  | | Journal (issue) | | I. Jacobson, Denver, CO Anthony R. Kampf, L.A. County Museum of Natural History, CA Virgil W. Lueth...across a local area network. Subscription offices: USA/North America: Taylor & Francis Group, LLC, 530 Walnut...Copyright Clearance Center (www.copyright.com) in the USA or the Copyright Licensing Agency (www. cla.co.uk)...Namnabat Bookplates, p . 533 497 Chips from the Quarry 518 Connoisseur's Choice: Aragonite Part 3: Southern...lndicolite Discovery of the Mt. Mica Pegmatite, Oxford County, Paris, Maine, Cary Freeman 558 Who's Who in |  | | Report (issue) | | The Breckenridge district is situated in Summit County, Colo., 60 miles. west-southwest of Denver, near... chalcopyrite, bismuthinite, magnetite, and specularite. Some of these are possibly pre-Cambrian in age...the same name. All of the district lies in Summit County, a little northwest of the central point of Colorado...there were 100 miles of ditches and flumes in the county, most of these being in the Breckenridge region...scenes of activity. The population of the whole county, which until 1883 included what are now Eagle and |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...to Hot Springco., Arkansas, in the Point of Rock quarry, pearly. Clea,Ā·age {001} perfect. {100} and {010} |  | | Book | | CHAPTER 4 Maryland ... 3 CHAPTER 5 Virginia 4 1 CHAPTER 6 West Virginia 5 CHAPTER 7 Kentucky 6 CHAPTER...Virginia's noted Rutherford Mine. Photograph by Dr. Virginia Lee Blackford. ical pearls in delicate pastel...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets, glowing...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its |  | | Book (edition) | | and D. Tasa. Mineralogy and Optical Mineralogy. Chantilly, VA: Mineralogical Society of America, 2008. Gaines...magnesium. Lithium is primarily responsible for the Quarry, Black Hills, South Dakota. The geologist is green...and D. Tasa. Mineralogy and Optical Mineralogy. Chantilly, VA: Mineralogical Society of America, 2008. Gaines...PLATE 1.4 Small pegmatite exposed in Larvikite quarry near Larvik, Norway. PLATE 1.5 Orthoclase from...PLATE 1.4 Small pegmatite exposed in Larvikite quarry near Larvik, Norway. PLATE 1.2 Smithsonite from |  | | Book (edition) | | Avenue of the Americas, New York, NY 10013-2473, USA Cambridge University Press is part of the University...that allow high mountain ranges to stand tall or quarry walls or road cuts to stand at steep angles (Fig...The active north face of Tilconās North Branford quarry, Connecticut, where a thick basaltic lava flow...aggregate and mixed with asphalt to pave roads. This quarry produces 20 000 tons of crushed trap-rock aggregate...mixed with asphalt for paving roads (see trap-rock quarry, Fig. 2.9). It is by far the most durable rock |  | | Book (edition) | | One Liberty Plaza, 20th Floor, New York, NY 10006, USA 477 Williamstown Road, Port Melbourne, VIC 3207,...that allows high mountain ranges to stand tall or quarry walls or road cuts to stand at steep angles (Fig...The active north face of Tilconās North Branford quarry, Connecticut, where a thick basaltic lava flow...aggregate and mixed with asphalt to pave roads. This quarry produces 20 000 tons of crushed trap-rock aggregate...mixed with asphalt for paving roads (see trap-rock quarry, Fig. 2.9). It is by far the most durable rock |  | | Journal (article/letter/editorial) | | places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...types may be subdivided into layered (Stillwater, USA, Kemi , Finland, Fiskenaesset, Greenland, and funnel-shaped...deposits such as Guseva-Gora, Russia, Duke Island, and USA, bridge the gap between the chromium deposit originating...Ostermann and Deutsch, 1997). The Stillwater Complex, USA, is akin to this group of mineralization ā see PGE...occur at Jinchuan, China, in the Duluth Complex, USA, Muskox, Nunavut and Crystal Lake, Canada (Barnes |
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