 | | Report (volume) | | the James River-Roanoke River Manganese District Virginia GEOLOGICAL SURVEY BULLETIN 1008 Geology...oftheJatnes River-Roanoke River Manganese District Virginia By GILBERT H. ESPENSHADE GEOLOGICAL SURVEY ...groUP------------------------------------------Candler formation_____________________________________...property_____________________________________ Campbell County__________________________________________...Descriptions of mines and prospects-Continued Campbell County-Continued Drinkard and nearby prospects __ |  | | Report (issue) | | Wilmington Wilmington, N.C. William S. Henika Virginia Division of Mineral Resources Charlottesville.... . . . . . . . . iii Sandy Level Quadrangle, Virginia: Its Geology and Regional Interpretation (C.R.... 7 Metamorphic Gradients in Pittsylvania County, Virginia (J. P. Gregory). . . . . . . . . . . . . ...Evidence of an Intrusive Origin for the Shelton Formation (W. S. Henika) . . . . 23 Aeroradiometric Contour... 49 Cataclastic Zone Associated with the Davie County Triassic Basin (D. V. Milton). . . . . . . . . |  | | 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 (issue) | | ee as Edited by Kula C. Misra 3 KENTUCKY ay VIRGINIA\ ee fi MCA SOT TENNESSEE RANDATHER QUNTAN...SOUTHERN APPALACHIANS Edited by Kula C. Misra _———— VIRGINIA KENTUCKY OVERLAP \ GRANDFATHER TENNESSEE ...Copper Anomaly at the Peachbottom Deposit, Alleghany County, North Carolina (John E. Callahan, J. Hatten Metal...Mine, 97 F. Hollister) Lancaster Mines in County, is 124 (Henry Bell) Mountain Alteration Zone...Abrams) Hydorthermal Alteration and Southern Union County, (Linda H. McKee and J. Some Die Coolen) Stratigraphic |  | | Journal (article/letter/editorial) | | OF THE No. 2 SOUTHERN APPALACHIANS Central Virginia Volcanic-PlutonicBelt as a Host for MassiveSulfide...GeologicalSurvey,Reston, Virginia 22092 Abstract Strata-boundmassivesulfidedepositsof the central Virginia Piedmontoccurin...magneticand gravity featuresindicate that the central Virginia volcanicplutonicbelt is not related to the Carolinaslatebelt...felsite. Amphibolite,containinglocal bedsof iron-formation,is abundanton the southeastflank of the Arvonia...submarinevolcanicexhalation,took placeduring formation of the island arc. Introduction A NORTHEAST-TRENDING |  | | 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) | | Depositional Sequences of Northern and Central Virginia, by A. S. Furcon -----------------------·----...----------------------------- 13 Pond Spring Formation ---------------------------------------------...------------------------------- 23 Hermitage Formation ---------------------------------------------...--------------------------------- 23 Catheys Formation ---------------------------------------------...order of the following formations: Pond Spring Formation, Murfreesboro Limestone, Ridley Limestone, Lebanon |  | | Report (issue) | | Geological Survey 928 National Center Reston, Virginia 22092 Nicholas Rast Department of Geology University...Boulder, Colorado 80301 GSA Books Science Editor Campbell Craddock Printed in U.S.A. Library of Congress...CIP Cover photo: Olistostromal facies, Lay Dam Formation, Alabama, showing granitoid olistoliths in meta-pebbly...mélange terrane, central Appalachian Piedmont, Virginia and Maryland; Its origin and tectonic RISlOry...National Center, U.S. Geological Survey, Reston, Virginia 22092 ABSTRACT There is no completely accepted |  | | Book | | of Geological Sciences, Virginia Polytechnic Institute, Blacksburg, Virginia 24061. McIVER, Norman...Washington. Thomasville Stone and Lime Co., Harry T. Campbell SOCIETY of Geologischen Geological Soc. of...Washington County, in The physical features of Washington County. Md. Geol. Survey, Washington County (Rept...physical features of Washington County. Md. Geol. Survey Washington County (Rept. 14), 17-94. ——, Igneous...physical features of Washington County. Md. Geol. Survey, Washington County (Rept. 14), p. 95-97. ——., Structural |  | | Report (volume) | | The first compilation, "North American Geologic Formation Names," Bulletin 191, by F. B. Weeks, was published...alphabetical listing of 1,500 North American sedimentary formation names and 100 names applied to igneous rocks,...they had been assigned, and (3) an index list of formation names. The next con1pilation, "The Geologic Time...the history of the nomenclature of a particular formation. For example, the entry for the Ste. Genevieve...superscript (1) shows that the accepted name of the formation as of 1935 was the "Ste. Genevieve Limestone 1n |  | | Report (issue) | | Pennsylvania ———————————————. Vermont _——___————————-. Virginia ———————————_———. Wisconsin _________—___—————__...Appalachian (chiefly New Jersey, Pennsylvania, New York, Virginia, East Tennessee, and Maine) _____________ Mississippi...by nodules is ap deposits in Lake of the Woods County, Minnesota, proached, the distribution necessarily...totaling about 19.5 km2 contain an estimated formation. This knowledge, obtained through studies 27,385...core drilling a zone at the top of the Spokane Formation to acquire threedimensional data on the distribution |  | | Report (issue) | | report area. Topographic featues____ Main body of formation ____.. Carbonate-bearing unit_._.__. Page 1 2...Stratigraphic relations_______________ 40 Anakeesta formation.___________________ 41 General features.___________________...Stratigraphic relations.______________ 47 Shields formation.______________________ 47 General features.___________________...Continued Walden Creek group Continued Shields formation Continued Stratigraphic relations. ______________...Stratigraphic relations _ ____________ Sandsuck formation. ____________________ General features. ___________________ |
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