 | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho 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 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Journal (article/letter/editorial) | | 04237. The Crooker gem pegmatite, Newry, Oxford County, Maine, has been mined sporadically since 1930...edenite, actinolite, ferro-actinolite, scapolite, titanite, and zircon in the main ore. Minor tiny (micron-sized)...at temperatures of 700˚C–800˚C (based on Zr-in-titanite and Ti-in-zircon temperatures). Stillwellite-(Ce)...occurrence in the United States at Mineville (Essex County). The mineral was identified in a sample collected...Monazite-(Ce) was found at Batchellerville and Overlook quarry in the southern Adirondacks and in some small pegmatite |  | | Journal (article/letter/editorial) | | from Virginia by RICHARD S. MITCHELL Clark Hall University of Virginia Charlottesville, Virginia 22903...same county. I t also has been observed i n pegmatites i n Powhatan County, Spotsylvania County, and...world have specimens of allanite from Amherst County, Virginia. The mineral is usually black and is coated...radioactive. The mineral was reported in Amherst County as early as 1874. Mallet ( 1 8 7 7 ) first described...Specimens from the Rutherford pegmatites, in Amelia County, are famous for the per fection of their thin |  | | Report (issue) | | Basins, Virginia and Maryland C7 ll.S. / PAPER Triassic-Jurassic Stratigraphy of the Culpeper and Barboursville...Barboursville Basins, Virginia and Maryland By K.Y. LEE and AJ. FROELICH U.S. GEOLOGICAL SURVEY PROFESSIONAL...Triassic-Jurassic stratigraphy of the Culpeper and Barboursville basins, Virginia and Maryland. (U.S. Geological...Jurassic. 3. Geology Culpeper Basin (Va. and Md.) 4. Geology Virginia Barboursville Basin. I. Froelich, A............................................. 10 Culpeper Group ....................................... |  | | Journal (article/letter/editorial) | | Bull Run Quarry Loudoun County, Virginia H O W A R D R. F R E E L A N D 10340 Hollyberry Drive Richmond...Richmond, Virginia 23234 Most collectors are familiar with fine prehnite, apophyl lite, and zeolite specimens...Narsavage, 1977), and at the Fairfax quarry near Centreville, Virginia (Medici, 1972; Mitchell, 1977)...are several other "trap" quarries in northern Virginia which have yielded beautiful and sometimes rare...environments. Bull Run quarry located in Loudoun County, Virginia, is one such quarry. To date, nearly twenty |  | | Report (issue) | | 02 [Cl0.91 (OH)0.05 F0.04 ]Σ=1.00 . (2) Fairfax, Virginia, USA; H2 O calculated for stoichiometry, corresponding...amphibole, chlorite, plagioclase, titanite, datolite (Bull Run quarry, Virginia, USA); olivine, orthopyroxene...the USA, the Fairfax quarry, Centreville, Fairfax Co., and Bull Run quarry, Loudoun Co., Virginia; at...Dagenhart, Jr. (1981) Chlorapatite from northern Virginia: the first occurrence in the United States. Southeastern |  | | Report (issue) | | ^ Anne Arundel County 43 Baltimore County 45 Howard County - Montgomery County 88 Prince Georges...Georges County Virginia 74 . 120 129 Arlington County 129 Fairfax County 131 Fauquier County 139...139 Loudoun County 143 Prince William County 149 Diabase quarries of northern Virginia 155 CAPTIONS...forming a ridge north of Route 7 near Dranesville, Virginia. Figure 7. Locations of mineral deposits in...mines in the Soldiers Delight region, Baltimore County, Maryland. Adapted from Pearre and Heyl , 19.60 |  | | Report (issue) | | n.d. X-ray Powder Pattern: Goose Creek quarry, Virginia, USA. 2.931 (10b), 4.06 (7b), 7.37 (6), 5.81...1.3 0.2 [11.8] [100.0] (1) Goose Creek quarry, Virginia, USA; by electron microprobe, H2 O by di®erence;...apophyllite, apatite, titanite, quartz, calcite. Distribution: In the Goose Creek quarry, Leesburg, Loudoun...Loudoun Co., and the Fairfax quarry, Centreville, Fairfax Co., Virginia, USA. Name: For the occurrence in...Co., Virginia, USA. Type Material: National Museum of Natural History, Washington, D.C., USA, 149397 |  | Lyttle, Peter T., Aleinikoff, John N., Burton, William C., Crider, E. Allen, Drake, Avery A., Froelich, Albert J., Horton, J. Wright, Kasselas, Gregorios, Mixon, Robert B., McCartan, Lucy, Nelson, Arthur E., Newell, Wayne L., Pavlides, Louis, Powars, David S., Southworth, C. Scott, Weems, Robert E. (2017) Geologic map of the Washington West 30’ × 60’ quadrangle, Maryland, Virginia, and Washington D.C. Open-File Report 2017-1142. US Geological Survey doi:10.3133/ofr20171142 | Report (issue) | | been radiometrically dated) PIEDMONT PROVINCE CULPEPER BASIN Zfcrr Zfsm Zfbh 37 Ypg 69 78 56 42...Oo 6 26 Kps 201.2 ±1.3 Ma Jdg Jmhs Jmm Culpeper Group Qbc Kpc Ty 199.3 ±3.0 Ma CRETACEOUS...Allen Crider Jr. (2012–2017) 8 10 KILOMETERS 9 VIRGINIA MAP LOCATION Tc Calvert and (or) Choptank Formations...assemblage blue-green amphibole-plagioclase-quartz-titanite. The unit has a maximum thickness of about 730...78° Blue Ridge Province Piedmont Province Culpeper Basin Coastal Plain Province 1. Nelson (1997) 2 |  | | Report (issue) | | Jurgssic Geology of the Northern Part of the Culpeper Basin, Virginia and Maryland by K. Y. Lee U.S. Geological...Part of the Culpeper Basin, Virginia and Maryland; by K, Y, Lee Introduction The Culpeper Basin is one of...basalt and diabase underlie the basin, The sedimentary rocks in the basin constitute a distinctive sequence...lacustrine deposits. Along the east side of the basin the strata generally dip gently westward, but the...2 part of the basin, presented here, cover about 1060 km , of which 82% is in Virginia and the remainder |  | | 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...of entries, the basin name and the State are cited. More than one basin, State, county, or quadrangle...are not restricted to an exposed early Mesozoic basin. The term "regional" indicates that the reference |  | | Journal (article/letter/editorial) | | Hampshire; and Willimantic, Windham County, and Haddam, Middlesex County, Connecticut. Gem-quality epidote...to 35 cm have been found at Eden Mills, Lamoille County, Vermont (a traditionally cited locality more accurately...described as the Belvidere Mountain quarry, Lowell, Orleans County). Epidote crystals to 5 cm have been...mines of Chester and from near Norwich, Hampshire County, Massachusetts; various other Massachusetts epidote...locality near Roseville, Sussex County. Epidote is widespread in the Virginia Piedmont and Blue Ridge Provinces |  | | Report (chapter) | | 2018 Seneca sandstone: a heritage stone from the USA CAROL A. GRISSOM1*, EMILY M. ALOIZ2, EDWARD P. VICENZI1...Road., Suitland, MD 20746, USA 2 4047 Argyle Avenue, Erie, PA 16505, USA 3 Material Science and Engineering...University of Maryland, College Park, MD 20742, USA C.A.G., 0000-0003-0924-870X; E.P.V., 0000-0003-2085-6546;...Formation found in the states of Maryland and Virginia; this Formation is in turn a part of the Newark...from Nova Scotia in Canada to South Carolina in the USA (Olsen 1980; Lee & Froelich 1989; see Fig. 1). Other |  | | Journal (issue) | | Mary Lynn White Minerals of the Fairfax Quarry, Centreville, Virginia................ John C. Medici ...universi ties in the area, including the Los Angeles County Museum of Natural History, California Institute...314-726-2236). amlier linritc on ijolilen csilcite! mcailc county* south ilakotn Extensive mining of six miles of...workings. In the 1870’s the Trigo Mountains, Yuma County, Ari zona occurrences were discovered. The list...analysis. The vanadinite is from the Apache mine, Gila County, Arizona, and the arsenopyrite is from Zacatecas |  | | Journal (issue) | | yth ANNUAL JEWELRY GEM &MINERAL SHOW Featuring Virginia Minerals, Mines and Localities BE A PROSPECTOR...14,1977 VIRGINIA BEACH CIVIC CENTER (THE DOME) 19TH AND PACIFIC AVENUE VIRGINIA BEACH, VIRGINIA Rocks&...Minerals from Virginia Richard S. Mitchell 230 Mineral and Fossil Collecting Sites in Virginia Palmer C....Resume: Pseudomorphs in Virginia R. V. Dietrich 244 The Geology of Virginia W. Cullen Sherwood 250 Prehnite—Apophyllite...Minerals of Virginia J. Alexander Speer Minerals from the Old Sulphur Mine, Louisa County, Virginia Richard |  | | Journal (article/letter/editorial) | | VIRGINIA MINES AND MINERALS By P H I L I P M O R R I L L East D e r r y , N . H . 0 3 0 4 1 (PART INTRODUCTION...mines in Virginia, north of the James River, with the ex ceptions as follows: Albemarle County was very...northern Virginia. Maps used were the U.S.G.S. Topo graphical Sheets. Also used were the county road maps...of H i g h w a y s Richmond, Virginia The price is 2 0 cents per county. Other states could well follow...very high grade iron. Credit should be given the Virginia Department of Mineral Resources in Charlottesville |  | | Catalog/List | | plus post 1147 ■■ ALTAITE Organ Mts, Dona Anna County, New Mexico a few silvery I mm spots in dark matrix...- - - - -~ ---1152 ■ AL UNITE Marysvale, Piute County, Utah Pure orange-pink crystalline mass KAISO/4OH..._ Fcldsp3~ -·· ~ 510 ■■ CHALCEDONY Greystones Quarry, lezant, Cornwall Grey banded massive lx2 £1 2x2...- -- -- - -- - - -- - 134 ■ CHALCOCITE Swinless Quarry, Kilbirnie, near Glasgow, Scotia Rich metallic...127 ■■ DELAFOSSITE Consolidated Copper Co. Nevada. USA Tiny black spheres in while matrix Fairiy rich. Micro |  | | Catalog/List | | 127 DELAFOSSITE Consolidated Copper Co. Nevada. USA Tiny black spheres in white matrix Fairly rich. Micro...- - - - -- -- - - - - - - 347 ■■ BITUMEN Crich Quarry, south of Matlock, Derbyshire 1161 ■■ GADOLINITE...Benallt Mine, Lleyn, Wales Green road Quarry, Ballyclare, County Antrim 166 ■ GISMONDINE white elongated...Sweden 169 ■ GONNARDITE Hillsport, Island Magee, County Antrim, N.lrelan Quite rich yellow mass in Quartz...- - -1109 CLINOPTILOLITE Succar Creek, Malhcur County, Oregon 972 GRAFTONITE Solleftea, Sweden smal l |  | | Journal (article/letter/editorial) | | .................................... 523 T he Virginia Piedmont r e g io n ............................o d u c t io n The general excellence of the Virginia granites as a building and mon umental stone...has been devoted by the writer to a study of the Virginia granites in the field and in the laboratory, and...t R e g io n geology The Piedmont province in Virginia forms a part of the eastern crys talline area...widens southward. Lack of system atic study of the Virginia Piedmont region forbids more than a general description |  | | Report (issue) | | STATE OF VIRGINIA CONSERVATION AND DEVEI.OPMENT COMMISSION VIRGINIA GEOLOGICAL SURVEY Wilbur A. Nelson...Belt Northeastern Piedmont Virginia By John T. Lansdale (Jniversity, Virginia IgI XICA!g COMPANY, PRIX'ER3...CorrrroxwEAr,TH oF VrncrNra Virginia Geological Survey Universitl' of Virginia Cl,arlottesville, Va., Februarl'...recommend {or publication as Bulletin 30 of the Virginia Geological Survey Series of reports a manuscript...the gold-pyrite belt in northeastern Pieclmont Virginia. The area involvecl comprises approximately 600 |  | | Report (issue) | | Falls of the Potomac River, looking north on the Virginia side. The Potomac falls 80 feet across resistant...field trips 5 and 6. Photograph by Gary Fleming, Virginia Department of Conservation and Recreation. Geology...Sections Geological Society of America Tysons Corner, Virginia March 24-27, 2004 Edited by Scott Southworth and...Groat, Director U.S. Geological Survey, Reston, Virginia: 2004 Free on application to U.S. Geological...Trip 1 outlines the tectonic history of northern Virginia along an east-to-west transect from the Coastal |  | | Journal (issue) | | Fluorapatite, 3.3-cm crystal, from the Pulsifer quarry, Maine. Collected by Terry Szenics; Jeff Scovil...with prehnite, 14 cm, from the Centreville quarry, Fairfax, Virginia. Smithsonian Institution collection...Lee Boltin photo. Fairfax Quarry, Virginia, 1967 The Fairfax quarry in Virginia is a classic locality...northeastern corner of the Fairfax quarry in Centreville, Virginia. I visited the quarry the next weekend. Nothing...15 feet to the left, parallel to the wall of the quarry. This tube varied from 6 inches to 2 feet wide |  | | Report (volume) | | ................................ 49 Individual quarry areas.................................................. 51 Baltimore County .................................... 51 Howard County.......................CHAPTER III. GRANITES OF VIRGINIA ...................................... The Virginia Piedmont region ......77 77 CONTENTS. 5 CHAPTER III. GRANITES OP VIRGINIA Continued. PageScientific discussion Continued................................. 81 Gneisses of Fairfax and Alexandria counties ..................." 81 |  | | Journal (issue) | | Japan/ Munich, Germany Laguna Beach, California, USA tel: +1 949 494 5155 / info@kristalle.com The ...SEPTEMBER–OCTOBER 2020 Articles The White Rock Quarry, Clay Center, Ottawa County, Ohio ...............651 by C. J...(see page 672), from the White Rock quarry, Clay Center, Ottawa County, Ohio. Daniel Trinchillo (Fine Minerals...$324/three years, (Canada) $196/one year, (outside USA other than Canada) $275 for one year Subscription...trips to the Mesa Grande district, the Crestmore quarry, and other localities, and Russell’s mineral collection |  | | Journal (article/letter/editorial) | | Humboldt County, Nevada, as well as some new area east of their Mosquite mine in Im perial County, California...cookeite at the Stand on Your Head #1 mine in Saline County. The cookeite occurs as nearly featureless botryoids...still being found at the Coon Creek mine in Polk County, but the finds are not as prolific as in former...aesthetics. He has found several species in Litchfield County which have not been reported in Sohon's book on...pyrrhotite ( X R D ) , quartz, plagioclase, and titanite. Additional specimens from this area included |
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