 | | 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) | | 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 |  | | 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............................................. 16 Leesburg Member....................................... |  | | Report (issue) | | Water-Quality Data-Collection Sites on Selected Streams in Virginia By Byron J. Prugh, Jr., and Clairiece G. Humphrey...cooperation with the VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY WATER DIVISION Richmond, Virginia 1993 U.S............................................... 7 County .................................................Map showing location of major river basins in Virginia........................................ 3 TABLES................................................ Potomac River Basin to Shenandoah River Basin ........ |  | | 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 |  | | Journal (article/letter/editorial) | | Route 1 parallel the fall zone in northeastern Virginia. The rolling hills of the Piedmont, on the other...East or West of 1-95 between the Potomac and Rappahannock Rivers, Virginia natural history is truly for lovers...and pro ceed southward. LOG: From 1-95 at the Potomac River exit North onto G . Washington Memorial Park...(Washington West Quadrangle) This island retreat in the Potomac is a National Park wilderness preserve offering...called the Glenarm Series. The bluffs along the Potomac provide an excellent opportunity to study segments |  | 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) | | 472±4 Ma 478±6 Ma Oo* Early Ordovician 483±9 Ma Mine Run Complex Oi O|po O|mIV O|mIII O|gu O|mII... Kps Jdl* Jdo Jmw Qtlp Qts Jd TKb Kpc Potomac Formation Kp Intrusive rocks Stratified and...Qbc Kp Qtlp af upper Paleocene Unconformity Potomac Formation Qts af Kps 58 55 33 Qal Qchow...Allen Crider Jr. (2012–2017) 8 10 KILOMETERS 9 VIRGINIA MAP LOCATION Tc Calvert and (or) Choptank Formations... Zircons from amphibolite on an island in the Potomac River yielded a 207Pb/206Pb crystallization age |  | | Journal (issue) | | website: http://www.novamineralclub.org/ Northern Virginia Mineral Club members, Please join our February...Towers), 3548 South Jefferson St. (intersecting Leesburg Pike), Falls Church, VA Phone: (703) 671-7507...student at the University of Maryland, Baltimore County, in the Geography and Environmental Science Department...History Museum, London .................... p. 8 The Potomac Formation ................................... p...without quartz) on Japan’s Iwagi Island. The Wessels Mine in Northern Cape Province, South Africa, produces |  | | Report (volume) | | California-Bldg. 3, Rm. 3128, 345 Middlefield Rd. • RESTON, Virginia-USGS National Center, Rm. 1C402, 12201 Sunrise...in stratigraphic nomenclature in Maryland and Virginia UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON:...Highly generalized map of part of the Maryland-Virginia Piedmont showing distribution of ultramafic rocks...plots of some ultramafic rocks from the Maryland-Virginia Piedmont .......................................and CIPW norms of some ultramafic rocks from the Virginia and Maryland Piedmont ............. AIO Aii |  | | Report (volume) | | .........Prof. George H. Perkins, Burlington. Virginia...........Dr. Thomas L. Watson, Charlottesville...Washington....... Prof. Henry Landes, Seattle. West Virginia... .Dr. I. C. White, Morgantown. Wisconsin......See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson |  | | Journal (issue) | | ............. p. 7 Website review: Geology of Virginia ............... p. 8 AFMS: Safety tip—Flying chips...mind’s eye, like mine, drift fondly to the aqua hues of specimens from the famous Kelly Mine, like the one...specimens to share beautiful images. Northern Virginia Mineral Club members, Please join your club officers...Towers), 3548 South Jefferson St. (intersecting Leesburg Pike), Falls Church, VA Phone: 703-671-7507 Reservations...analogue to smithsonite, also occur together. The Kelly Mine in New Mexico is the source of many famous eye-catching |  | | Journal (issue) | | over 350 meteorites were recovered. Northern Virginia Mineral Club members, Please join our April 22...Towers), 3548 South Jefferson St. (intersecting Leesburg Pike), Falls Church, VA Phone: (703) 671-7507...event at the mineral show hosted by the Northern Virginia Mineral Club on November 17–18, 2012. Next—and...equipment and tools. My next thought is the Morefield Mine near Richmond. This locality is open to individual...the website (www.MorefieldGemMine.com), since the mine is relatively close and has lots of colorful minerals |  | | Journal (article/letter/editorial) | | THE Maryland Mine Downloaded by [Australian National University] at 04:12 13 March 2015 Maryland’s...Maryland’s Last Underground Gold Mine Figure 1. according to Huntley Ingalls, this amazing sample, containing gold...recovered from a rich ore shoot in the Maryland mine sometime between 1900 and 1910. Such a specimen...only when prospective investors would visit the mine. This much smaller, yet remarkable, piece was saved...Ingalls as a gift from the wife of one of the early mine owners. The specimen measures 4 × 2 × 2 cm. Jake |  | | Journal (issue) | | 1982 INDUSTRIAL ROCK AND MINERAL RESOURCES IN VIRGINIA Palmer C. Sweet Virginia's total mineral production...the only producer of a feldspar, marketed as "Virginia aplite," and was one of three States mining vermiculite...vermiculite. Major industrial mineral resources in Virginia are: barite, cement*, clay materials*, diatomaceous...Prince William County at the Cedar Run mine about 200 yards from the Fauquier County line. The barite...zone in red shale-sandstone of Triassic age. The mine was last operated in 1903, when 1500 tons of ore |  | | Report (volume) | | 6 The Geologic Story of Great Falls and the Potomac River Gorge Depository ^il LIBRARIES GEOLOGICAL...LIBRARIES The Geologic Story of Great Falls and the Potomac River Gorge The River and th ^ ihnBP^-" ulrtMP'... tocks The Geologic Story of Great Falls and the Potomac River Gorge By JOHN C. REED, JR., ROBERT S. SIGAFOOS... Foreword to the Second Edition The Great Falls of the Potomac River has figured prominently in the purposes of...early as 1754, George Washington visualized the Potomac River as an important avenue of trade and communication |  | | Journal (issue) | | main cations—zinc, lead, and copper. Northern Virginia Mineral Club members, Please join your club officers...Towers), 3548 South Jefferson St. (intersecting Leesburg Pike), Falls Church, VA Phone: 703-671-7507 Reservations...a digression. Sphalerite from Penfield, Monroe County, NY. Photo: Bob Cooke. The Mineral Newsletter ...is known for stunning specimens from the Elmwood Mine and similar localities in Tennessee. These sites...sphalerite and wurtzite, usually with galena or pyrite. It is sold in attractive polished slabs. Germany |  | | Book | | $12.00 ROADSIDE _ JrEOLOoGY of VIRGINIA Keith Frye pueke ajeus Ras “Wy _ Hingsulvey\ 7eauo\spues...NVIHOVIVddV Binqsia1ed ROADSIDE 4 JrEOLOGY of Virginia Keith Frye Illustrated by Ramesh Venkatakrishnan...1935Roadside geology of Virginia. Bibliography: p. Includes index. 1. Geology—Virginia. I. Title. QE173.F78...59806 FOREWORD The great natural beauty of Virginia, from the Atlantic Coast on the east to the Appalachian...and weaker. Great rivers wend their way through Virginia, cutting spectacular gorges through the mountains |  | | Report (volume) | | C~eology of the Marshall Quadrangle, Flauquier County, Virginia By Gilbert H. Espenshade U.S. GEOLOGICAL...1912Geology of the Marshall Quadrangle, Fauquier County, Virginia. (U.S. Geological Survey bulletin ; 1560)...of Docs. no.: I 19.3:1560) 1. Geology-Virginia-Fauquier County. I. Title. II. Series. QE75.B9 no. 1560...Geologic map of the Marshall quadrangle, Fauquier County, Virginia • • • • • • • • • • • • • • • • • • • In pocket...side of the Blue Ridge anticlinorium in northern Virginia •••••••• 17 Volcanic breccia in low-titanium metabasalt |  | | Journal (issue) | | feldspar—connotes perfect cleavage.) Northern Virginia Mineral Club members, Please join our February...Towers), 3548 South Jefferson St. (intersecting Leesburg Pike), Falls Church, VA Phone: 703-671-7507 Reservations...rocks are the hosts. Wulfenite from the Ahumada Mine, Sierra de Los Lamentos, Chihuahua, Mexico. Source:...locality of Bleiberg, Austria, though not an active mine site, is still treasured for lovely historic specimens...challenge for resource development, especially solid mine waste management practices. Several species of amphibole |  | | Report (issue) | | Great Falls of the Potomac River, looking north on the Virginia side. The Potomac falls 80 feet across...Neoproterozoic to Early Cambrian age. Downcutting of the Potomac from the bedrock terrace to the current river channel...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 |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Report (volume) | | ............................................. Virginia......................................................................................... West Virginia.................................................See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Journal (issue) | | that when new at this business of collecti ng, the mine dumps in Penn• sylvania's anthracite region "·ere...pleasure of bunting around in the glacial debris and mine dumps of this arctic wonderland, where the sun never...northwest fo r our first destination the Herk imer County quar tz locality at )liddleYille about 125 mile:...and which is in the eastern part of J efferson County. On arrival in the ,·Ulage, we found to our regret...of the same county. J efferson, is Antwerp. made famous by the Sterling iron mine. The mine has long since |  | | Journal (issue) | | INDUSTRY OF VIRGINIA IN 1974' ADVANCE SUMMARY Total value of mineral production in Virginia in 1974 was...127 percent in value. Deep mine production decreased 3 percent and surface mine production increased 9 percent...value increased. Table 1. -Mineral production in Virginia. Stone, the second-ranking mineral commodity...cooperative agreement between the Bureau and the Virginia Division of Mineral Resources. 1 1973 Mineral...that cannot be l ~ r o d u c t i o nas measured by mine shipments, sales, or marketable production (including |  | | Journal (issue) | | component of such common minerals as galena (PbS), pyrite (FeS2), celestite (SrSO4), and barite (BaSO4)....Mindat, Wikipedia The Mineral Newsletter Northern Virginia Mineral Club members, Please join our April speaker...Towers), 3548 South Jefferson St. (intersecting Leesburg Pike), Falls Church, VA Phone: 703-671-7507 Reservations...company and serves as Webmaster for the Northern Virginia Mineral Club, the Mineralogical Society of the...Stratford Hall (next to Westmoreland State Park in Virginia) on April 30 and June 12. Fossils include sharks’ |
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