 | Pavich, M.J., Leo, G.W., Obermeier, S.F., Estabrook, J.R. (1989) Investigations of the characteristics, origin, and residence time of the upland residual mantle of the Piedmont of Fairfax County, Virginia. Professional Paper 1352. US Geological Survey doi:10.3133/pp1352 | Report (issue) | | Upland Residual Mantle of the Piedmont of Fairfax County, Virginia U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...Upland Residual Mantle of the Piedmont of Fairfax County, Virginia By MJ, PAVICH, G.W. LEO, S.F. OBERMEIER...Upland residual mantle of the Piedmont of Fairfax County, Virginia. (U.S. Geological Survey professional...Weathering Virginia Fairfax County. 2. Saprolites Virginia Fairfax County. 3. Soils Virginia Fairfax County...geology, and climatic history of the northern Virginia Piedmont ----------------General properties of |  | | Report (issue) | | of Soils and Weathered Rocks of Fairfax County and Vicinity, Virginia U. S. G E 0 L 0 G I CAL SURVEY...of Soils and Weathered Rocks of Fairfax County and Vicinity, Virginia By STEPHEN F. OBERMEIER and WILLIAM...of soils and weathered rocks of Fairfax County and vicinity, Virginia (U.S. Geological Survey professional...Engineering geology-Virginia-Fairfax County. 2. Weathering-Virginia-Fairfax County. 3. Rocks. I. Langer...map of Fairfax County and vicinity [In pocket] Index and geologic sketch map showing Fairfax County and |  | | Report (issue) | | Understanding of the Tectonic Evolution of the Northern Virginia Piedmont The Accotink Schist, Lake Barcroft...Understanding of the Tectonic Evolution of the Northern Virginia Piedmont By AVERY ALA DRAKE, JR., and PETER T...study of a crystalline terrane in the northern Virginia Piedmont UNITED STATES GOVERNMENT PRINTING OFFICE...understanding of the tectonic evolution of the northern Virginia Piedmont. (Geological Survey Professional Paper...2. Schist Virginia-Fairfax Co. 3. Sandstone-Virginia-Fairfax Co. 4. Geology-Virginia-Fairfax Co. I. Lyttle |  | | Report (issue) | | CROSSBEDDING OF THE POTOMAC FORMATION IN FAIRFAX COUNTY, VIRGINIA By Gordon wfweir * /* January 1976 ... CROSSBEDDING OF THE POTOMAC FORMATION IN FAIRFAX COUNTY, VIRGINIA By Gordon W. Weir Abstract Crossbedding...structure of the Potomac Formation in Fairfax County, Virginia. Most sets of crossbeds are a few feet...that the depositional slope was easterly in Fairfax County throughout the time of deposition of the Potomac...wedge-shaped deposit underlying the eastern part of Fairfax County, Va. (Force, 1975). It rests on saprolitic |  | | Report (issue) | | SITES IN THE VIRGINIA-WASHINGTON, D.C.-MARYLAND METRO AREA TO OBSERVE OR COLLECT BACTERIA THAT PRECIPITATE...gov/publications/text/Norriemicrobes. html > SITES IN THE VIRGINIA-WASHINGTON, D.C.-MARYLAND METRO AREA TO OBSERVE...PRECIPITATE IRON AND MANGANESE OXIDES VIRGINIA VA Site 1A. Fairfax County, Huntley Meadows Park: From the Beltway...first glance, to be an nil-film VA Site IB. Fairfax County, Huntley Meadows Park, back entrance: BOOTS...from the manganese oxide coats. VA Site 2. Fairfax County, South Kings Highway retaining wall: This site |  | | Report (issue) | | 78-512 PETROLOGY OF POTOMAC GROUP SANDS IN FAIRFAX COUNTY, VIRGINIA BY Roy C. Lindholm 1978 This report...sands sampled in Fairfax County are dominantly microcline-rich lithic arkoses. Quartz averages 59%, microcline...the shallow subsurface and outcrop sections, with quartz correspondingly more abundant at the surface. Zircon...index A - Study area of Cretaceous outcrops in Fairfax Co., Va. Showing (1) U.S.G.S. well "GH" and (2)...Cretaceous age exposed In the eastern part of Fairfax County, Virginia is a wedge-shaped sequence of clastic |  | | Report (issue) | | GEOLOGY OF SOILS AND WEATHERED ROCKS OF FAIRFAX COUNTY, VIRGINIA by Stephen F. Obermeier Open-File Report...79-1221 United States Geological Survey Reston , Virginia 1979 U. S. Geological Survey OPEN FILE REPORT...26 27 30 34 38 41 44 49 ll INTRODUCTION Fairfax County has diverse geologic and physiographic conditions...conditions, with the eastern part of the county made up of non-consolidated sediments (soils) of the Coastal...characteristics of soil and weathered rock throughout Fairfax County. For discussion purposes, the geologic units |  | | Report (issue) | | concentration, and radon in soil gas, Fairfax County, Virginia by R. Randall Schumann1 and Douglass...radon concentrations of rocks and soils in Fairfax County, Virginia. Radon concentration, eU, eTh, and percent...determined for 129 sites along 15 traverses in the county. These data were grouped according to underlying...concentrations of gases in rocks and soils in Fairfax County, Virginia. The intent of this paper is to discuss...concerning radon in rocks and soils underlying the county, and how these radon concentrations are related |  | | Journal (issue) | | the Virginia Polytechnic Institute, Engineering Experiment Station Series, dealing with Virginia Mineral...Mineral Localities: Virginia Mineral Localities (1960 Edition) Virginia Mineral Localities (Supplement...(Supplement I) Virginia Mineral Localities (Supplement II) Virginia Minerals and Rocks (3rd Edition) Ex LIBRIS...\I i! II II BULLETIN OF THE ·, I !V I ii VIRGINIA POLYTECHNIC INSTITUTE Engineering Experiment Station...Series No. 151 Ii !I ·1 " ii :c H I I I I ! VIRGINIA MINERAL LOCALITIES ( SUPPLEMENT II ) By Richard |  | | Report (volume) | | Slopes for Cretaceous Potomac Deposits in Fairfax County, Virginia, and Vicinity GEOLOGICAL SURVEY BULLETIN...Slopes for Cretaceous Potomac Deposits in Fairfax County, Virginia, and Vicinity Engineering Geology of Potomac...Potomac Formation Deposits in Fairfax County, Virginia, and Vicinity, with Emphasis on Landslides By...slopes z'n the Potomac Formatz'on z'n Faz'rfax County, Va., and vlcz'nz'ty UNITED STATES GOVERNMENT PRINTING...slopes for Cretaceous Potomac deposits in Fairfax County, Virginia, and vicinity. (Geological Survey bulletin |  | | Report (issue) | | Recognized Sedimentary Melange in the Northern Virginia Piedmont U.S. GEOLOGICAL SU&V.&T PROFESSIONAL...Recognized Sedimentary Melange in the Northern Virginia Piedmont By Avery Ala Drake, Jr. U.S. GEOLOGICAL...recognized sedimentary melange in the northern Virginia Piedmont. (Geological Survey professional paper...16:1324 1. Melanges (Petrology). 2. Petrology Virginia. I. Title. II. Series. QE471.15.M44D73 1984 552... Greneralized geologic map of part of Fairfax County, Virginia, and geologic map and section of the type |  | | Report (issue) | | Sand from Six wells, Alexandria City and Fairfax County, Virginia By Roy C. Lindholm O?en-File Report...Sand from 5 ix Wells, Alexandria City and Fairfax County, Virginia By Roy C. Li ndho 1m:': INTRO~UCTION...fran six wells in Alexandria City and Fairfax Col.nty, Virginia CND, no data; Kps, Cretaceous PotaDac..."VAWT-6. 11 In all samples from all six wells, quartz is the most abundant "1 ight mineral ,e• although...Johnston,and Langer, 1978). In the light fraction, quartz is significantly more abundant re1atlve to mlcrocline |  | | 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) | | Complexes of the NorthCentral Culpeper Basin, Virginia By Charles E. Brown U.S. GEOLOGICAL SURVEY Open-File.......... 2 Geologic Setting of Culpeper Basin, Virginia..................... 5 Acknowledgments..........COMPLEXES OF TPTE NORTH-CENTRAL CULPEPER BASIN, VIRGINIA Charles E. Brown ABSTRACT Direct current-electrical...nine sites in the early Mesozoic Culpeper basin, Virginia to ascertain basinal-rock characteristics. The...east front of the Blue Ridge geologic province in Virginia and Maryland (fig. 1). It is part of a belt of |  | | Report (issue) | | AREA, FAIRFAX COUNTY, VIRGINIA Introduction The Franconia area of eastern Fairfax County, Virginia lies...zoning and the land use plan for this sector of Fairfax County, provided that rational development is feasible... 1975, Landforms Map of Annandale quadrangle, Virginia: U.S. Geol. Survey Open File Map 75-157. Figure...units, one which is predominantly sand with minor quartz pebbles and clay clasts (Kps), the other being...Preliminary Geologic Map of Annandale quadrangle, Virginia: U.S. Geol. Survey Open-File Report 75-25** |  | | Journal (article/letter/editorial) | | VIRGINIA MINERAL LOCAL INDEX Although perhaps best known for its turquoise crystals, apophyllite on...kyanite, Virginia has, in fact, over 150 mineral species. and D. A L L E N P E N I C K , JR. Virginia Division...Mineral Resources P. O. Box 3667 Charlottesville, Virginia 22903 T H I S V I R G I N I A M I N E R A L L...world-wide locality index. The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R . V . Dietrich. A l |  | | Journal (issue) | | DECORATIVE-ORNAMENTAL STONES OF VIRGINIA D. Allen Penick, Jr. Virginia is noted particularly for beautiful...amazonite, fine moonstone, and topaz. In addition Virginia is well known for staurolite, prehnite, turquoise...minerals, rocks and organic materials found in Virginia, which have been used as gemstones and decora...report. Many of the localities will be familiar to Virginia mineral collectors. Someof the areas mentioned...collect minerals. There has been much written on Virginia mineral localities but no reports are available |  | | 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...stratigraphy of the Culpeper and Barboursville basins, Virginia and Maryland. ......................... .....In |  | | Journal (issue) | | February 1987 No.1 VIRGINIA MINERAL LOCALITY INDEX D. Allen Penick, Jr. This Virginia mineral locality...world-wide locality index The localities are listed by county, followed by a listing of the most prominent minerals...source of information in this Virginia index was Minerals of Virginia (1970) by R. V. Dietrich. Although...of the index. Some of the famous localities in Virginia, such Updated from Rocks and Minerals, Vol. 60...pegmatite in Amelia County and the Lynch Station locality (turquoise crystals) in Campbell County, are now closed |  | | Journal (issue) | | VIRG DEPARThENT OF MINES, MINERALS,AND Richmond, Virginia Drive, Charlotfesville, VA 22903 VOL. 41 MAY...UPDATE ON UNREPORTED OCCURRENCES OF GOLD-SILVER IN VIRGINIA Palmer C. Sweet INTRODUCTION A refinement of...than $3.7 billion in 1993. As a result many f&mx Virginia gold mines that were previously considered &profitable...as many old mines as possible. Since 1969, the Virginia Division of Mineral Resources has been intermittently...c'Precious-metalmines, prospects, and occurrences in Virginia-an update" in Virginia Minerals (volume 37, number 1) which |  | | Report (issue) | | VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 62 MINERALS FOR VIRGINIA Harry W. Webb and John P...P. Moore COMMONWEALTH OF VIRGINIA DEPARTMENT OF MINES, MINERALS AND ENERGY DIVISION OF MINERAL RESOURCES...VIRGIN IA 1985 VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 62 MINERALS FOR VIRGINIA Harry W. Webb...Webb and John P. Moore COMMONWEALTH OF VIRGINIA DEPARTMENT OF MINES, MINERALS AND ENERGY DIVISION OF MINERAL...for erops. VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 62 MINERALS FOR VIRGINIA Harry W. Webb |  | | Report (issue) | | SHOWING THICKNESS OF OVERBURDEN, VIENNA QUADRANGLE, VIRGINIA AND MARYLAND by Sherman K. Neuschel and Albert...saprolite overburden overlies ultramafic rock or quartz veins and dikes. " Mafic rocks commonly under-...Preliminary geologic map of the Fairfax, Virginia and part of the Seneca, Virginia-Maryland quadrangles: U.S...Pendleton, R. F., 1963, Soil Survey of Fairfax County, Virginia, U. S. Department of Agriculture, Soil...cooperation with Virginia i Agriculture Experiment .Station and Fairfax County, Virginia, Series 1955, no |  | | Journal (issue) | | Mushrush: Springer International Indoor Radon in Virginia and Maryland Index to Volume 12 Envi ae ae...well as all 27 Congress Street, Salem, MA 01970, USA, this journal may be reproduced photograph- article...Service Center Secaucus ers Secaucus, NJ 07094, USA. tected by copyright, which covers the exclu- Copyright...York Inc. 175 Fifth Avenue New York, NY 10010, USA Telephone (212) 460-1500 Telex 23 22 35 Responsible...York Inc. 175 Fifth Avenue New York, NY 10010, USA Attention: Dieter Finkelmeier Telephone (212) 460-1612 |  | | Journal (issue) | | NOVEMBER 1992 VOL. 38 INTERESTING USES OF STONE IN VIRGINIA - PART I Harry W. Webb' and Palmer C. Sweet e...and soapstone have been or are being quarried in Virginia. Some 350 interesting uses of dimension stone...rock types quarried for dimension stone uses in Virginia include amphibolite schist, conglomerate, diabase...soapstone. The quarrying of most dimension stone in Virginia is uneconomical today because of the relatively...and uses of various types of dimension stone in Virginia. Architectural terms are defied in the Appendix |  | | Report (volume) | | Stratigraphy in the Northern Part of the Culpeper Basin, Virginia and Maryland GEOLOGICAL SURVEY BULLETIN 1422-C...Stratigraphy in the Northern Part of the Culpeper Basin, Virginia and Maryland By K. Y. LEE CONTRIBUTIONS TO GEOLOGICAL...stratigraphy in the northern part of the Culpeper Basin, Virginia and Maryland. (Contributions to stratigraphy)...1. Geology, Stratigraphic Triassic. 2. Geology Virginia. 3. Geology Maryland. I. Title. II. Series. III...Group in the northern part of the Culpeper basin, Virginia and Maryland ___________________________ In pocket |
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