 | | Journal (issue) | | COMMONWEALTH OF VIRGINIA DEPARTMENT OF MINES, MINERALS AND ENERGY Richmond, Virginia Virginia Minerals Published...Division of Mineral Resources Charlottesville, Virginia 22903 VOL. 48 MAY/AUGUST 2002 NO. 2/3 A GUIDE...GEOLOGICAL DIVERSITY John Marr and Roy Sites Virginia has a very interesting and varied geologic history...in unique and exotic geologic terranes. Across Virginia, the landscape exhibits all rock types: igneous...the Division of Mineral Resources offices. 10 VIRGINIA DIVISION OF MINERAL RESOURCES VOL. 48 Figure |  | | Journal (issue) | | ............................. p. 11 Columnar metabasalt in our area ............. p. 12 AFMS: Convention...will use halite and salt interchangeably. Northern Virginia Mineral Club members, No in-person social...Newsletter January 2021 Halite clusters, Wieliczka Mine, Poland. Photo: Casper Voogt. 2 of the Great...Minnesota. Bottom: Halite, Rhodes Salt Marsh, Esmeralda County, Nevada. Photo: Bob Cooke. Collectible crystals...halite. fact, the world’s largest salt mine is the Goderich Mine beneath Lake Huron, mined from Ontario |  | | Journal (article/letter/editorial) | | from massive sulfide deposits and tourmalinites Martin R. Palmer 1'* and John F. S l a c k 2 1 Department...Cambridge, MA 02139, USA z US Geological Survey, National Center, MS 954, Reston, VA 22092, USA Abstract. Boron...(Canada), Broken Hill (Australia), and Ducktown (USA). Overall, the tourmalines display a wide range in...uniform 611B value of +39.5%0. Fresh mid-ocean ridge basalts (MORB) from the East Pacific Rise (EPR)... Hydrothermal solutions venting from mid-ocean ridge crests have boron concentrations that are 10-35% |  | Snyder, George L., Hausel, W. Dan, Klein, Terry L., Houston, Robert S., Graff, Paul J. (1989) Precambrian Rocks and Mineralization, Southern Wyoming Province - Hartville Uplift to Copper Mountain Area, Wyoming July 19-25, 1989. Field Trip Guidebook T332. American Geophysical Union | Report (issue) | | Precambrian Rocks and Mineralization, Southern Wyoming Province Hartville Uplift to Copper Mountain Area, Wyoming...north side of North Fork Cherry Creek and on Tony Ridge, Bull Camp Peak 1 1/2-minute quadrangle, Wyoming...PRECAMBRIAN ROCKS AND MINERALIZATION, SOUTHERN WYOMING PROVINCE by George L. Snyder 1, W. Dan Hausel2, Terry L...Laramie, Wyoming. 4U.S. Geological Survey, Reston, Virginia. The University of Wyoming, Laramie, Wyoming....iron-formation formerly quarried at the Atlantic City mine. Return to Holiday Lodge, Lander, for evenin~. Tuesday |  | | Journal (issue) | | August 1988 No. 3 SCENIC LANDFORMS OF VIRGINIA . Harry Webb Virginia has a wide variety of scenic landforms...level. Two natural lakes occur in Virginia, Mountain Lake in Giles County and Lake Drummond in the City of...alphabetically by county or city. Features along county lines are described in only one county with references...of the topographic maps can be ordered from the Virginia Division of Mineral Resources' sales office or...(1986); other heights are from national forest or Blue Ridge Parkway sources or from the authors cited. Highways |  | Higgins, M.W., Atkins, R.L., Crawford, T.J., Crawford, R.F., Brooks, Rebekah, Cook, R.B. (1988) The structure, stratigraphy, tectonostratigraphy, and evolution of the southernmost part of the Appalachian Orogen. Professional Paper 1475. US Geological Survey doi:10.3133/pp1475 | Report (issue) | | 88-600154 For sale by the Books and Open-File Reports Section, U.S. Geological Survey Federal Center, Box 25425...greenstone (informal) ..................... Soapstone Ridge thrust sheet........................... Little River...Biddy slice ..................................... Northern Florida platform sequence ......................94 96 98 98 99 100 100 101 Comparison with the northern Appalachians ................ Comparison with...sheet .............................. Ropes Creek Metabasalt (revised) .................. Mud Creek Formation |  | | Report (issue) | | REGION 3 Delaware Maryland Pennsylvania Virginia West Virginia OPEN-FILE REPORT 93-292-C **> Prepared...3 Delaware, Maryland, Pennsylvania, Virginia, and West Virginia R. Randall Schumann EDITOR OPEN-FILE...Preliminary Geologic Radon Potential Assessment of Virginia Linda C.S. Gundersen 146 7. Preliminary Geologic...Geologic Radon Potential Assessment of West Virginia James K. Otton and Linda C.S. Gundersen 185 ACKNOWLEDGMENTS...aerial radioactivity, and indoor radon data by county. Because of constraints on the scales of maps presented |  | | Journal (issue) | | p4,, Over two million residents Arizona's Pinal County welcomes everyone as a V.I.P.!!! ?ieU S ~ , ae...Cornelius W. Vahle Jr. 91 "A Quany without Minerals" Martin Anne Don Schmerling 94 Pennsylvania- A Geological...Native Copper and Piemontite Localities of Adams County Jay Lininger FEATURES THE EASTERN FEDERATION...Holly Springs in Cumberland County, Pennsylvania. Specimen collected by Martin Anne' in late 1975. Excellent...Appalachian ridges diverted the ice sheet that planed northern New Jersey and Ohio and left Pennsylvania a varied |  | | Report (issue) | | California—Bldg. 3, Rm. 3128, 345 Middlefield Rd. • RESTON, Virginia—USGS National Center, Rm. 1C402, 12201 Sunrise...tectonostratigraphic terranes in both the central and northern Appalachians UNITED STATES GOVERNMENT PRINTING..................................... 12 Cape May County.................................................................................. 12 Cumberland County.................................................................................... 12 Atlantic County............................................... |  | | Report (issue) | | Geological Survey 928 National Center Reston, Virginia 22092 Nicholas Rast Department of Geology University...Accretion of the Boundary Mountains terrane within the northern Appalachian orthotectonic ZOn€ 2.1.0... teen eee...in Cambro-Ordovician forearc accretion in the northern Appalachians ............0 0000 ccc ccc tenet...mélange terrane, central Appalachian Piedmont, Virginia and Maryland; Its origin and tectonic RISlOry...Block-in-matrix structures in the North Carolina Blue Ridge belt and their significance for the tectonic |  | | Report (chapter) | | Colorado State University, Fort Collins, CO 80523-1482, USA (e-mail: hstein@cn~colostate.edu) 2Geological Survey...understanding the Sveconorwegian (Grenvillian) province in SW Scandinavia is the relation between major...tectonic and magmatic history. The Sveconorwegian province contains regions affected by high-grade metamorphism...abundant in the western part of the Svenconorwegian province and intruded between 1.00 and 0.92 Ga, with several...r(I) • -:, 3 Fig. 2. Geological map and cross-section of the Sa~svatn supracrustal sequence, underlying |  | | 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... Ill Preface The 2004 Joint Northeast-Southeast Section Meeting of the Geological Society of America is |  | | Report (issue) | | Center Reston, Virginia 22092 A. Krishna Sinha Department of Geological Sciences Virginia Polytechnic Institute...Institute and State University Blacksburg, Virginia 24061 Norman Herz Department of Geology The University........ 06. The core of the Blue Ridge anticlinorium in northern Virginia James W. Clarke Geology and...8 Rb-Sr age for the Robertson River pluton in Virginia and its implication on the age of the Catoctin...Evolution of the Grenville terrane in the central Virginia ee ee eee ORNS eee i FVein.) A. K. Sinha and M |  | | Journal (article/letter/editorial) | | in Mn-rich rocks from the Hutter mine, Pittsylvania County, Virginia, U.S.A.: Implications for miscibility...zone in the Laohushan back-arc basin, the eastern section of the North Qilian Mountains, NW China—Yang Houng-Yi...Paleoproterozoic Cochise block to the Mazatzal province—Jürgen Eisele and Clark E. Isachsen Adsorption...chronology—Dieter F. Metz, Andreas J. Weinrich, Warren D. Sharp,. and Paul R. Renne 285 593 609 The...flow in the vicinity of Yucca Mountain, Nevada, USA— James B. Paces, Kenneth R. Ludwig, Zell E. Peterman |  | Wilkinson, W., Wendt, C., Wilkins, J., Haxel, G. (1986, March) Frontiers in geology and ore deposits of Arizona and the southwest, Field Trip Guidebook 3 - Precious metal mineralization, stratigraphy, and tectonics in southeastern California - Part A. Guidebook. Arizona Geological Society | Report (issue) | | to vehicles. Lunch* Stop 2. Overview of Mesquite mine Stop 3. Cargo Muchacho Mountains-visits to American...Exposure of cataclastic ledge Stops 5 and 6. Picacho mine. Lunch* between stops Depart for Tucson Arrive in...possible, bring hard hat and safety glasses for mine FIELD TRIP 3 PRECIOUS-METAL MINERALIZATION, STRATIGRAPHY...structural control of Au mineralization in the Picacho mine. Recent successes by exploration geologists from...made at Gold Fields Mining Corporation ' s Mesquite mine where Wendt and Wilkinson will lead an informal |  | Carter, Mark W., McAleer, Ryan J., Holm-Denoma, Christopher S., Spears, David B., Regan, Sean P., Burton, William C., Evans, Nick H. (2020) Geochronologic age constraints on tectonostratigraphic units of the central Virginia Piedmont, USA. Professional Paper 1861. US Geological Survey doi:10.3133/pp1861 | Report (issue) | | Tectonostratigraphic Units of the Central Virginia Piedmont, USA Professional Paper 1861 U.S. Department...migmatitic paragneiss at the northern terminus of the Elk Hill Complex, central Virginia Piedmont. Image captured...Tectonostratigraphic Units of the Central Virginia Piedmont, USA By Mark W. Carter, Ryan J. McAleer, Christopher...II, Director U.S. Geological Survey, Reston, Virginia: 2020 For more information on the USGS—the Federal...tectonostratigraphic units of the central Virginia Piedmont, USA: U.S. Geological Survey Professional Paper |  | | Report (volume) | | DAVID BUSCHER, U.S. Geological Survey With a section on SALABLE COMMODITIES By JOHN S. DERSCH, U.S....(unit Xq) 19 Metasedimentary rocks (unit Xsi) 20 Metabasalt (unit Xb) 22 Younger part of metagabbro (unit...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral...Homestake mine, historically the largest producer of gold in the western hemisphere, is in the northern Black...years ago, igneous rocks were emplaced in the northern Black Hills and caused local deformation of the |  | | Journal (article/letter/editorial) | | several new localities, including the Flambeau copper mine near Ladysmith (Rosemeyer 1999, the Vulcan Materials...Racine (Scovil 1994), the pegmatites of Florence County (Koehier 1989) and the Wausau area (Falster 1987)...the oldest rocks appearing in the central and northern parts (fig. 2). The legs of the arch consist of...zircon), particularly in the Wausau area of Marathon County (Falster 1987). Middle Proterozoic quartzites (1...found there (Merge 1996). One deposit, the Flambeau mine near Ladysmith, has already been mined. Other deposits |  | | Report (volume) | | GWENDOLYN W. LUTTRELL, MARILYN L. HUBERT, and VIRGINIA M. JUSSEN U.S. GEOLOGICAL SURVEY BULLETIN ...ted States. I. Hubert, Marilyn L. II. Jussen, Virginia M. III. Title. IV. Series. QE75.B9 no. 1564 1986...Gwendolyn W. Luttrell, Marilyn L. Hubert, and Virginia M. ,Jussen INTRODUCTION This lexicon contains...the type area with specific location of the type section, statement or distinguishing characteristics, definition...the unit. 6. Thickness.--In meters at the type section. A range is given if stated. 7. Distinctive features |  | | Journal (issue) | | George Buchanan Ellis Wolfe HISTORICAL CONSULTANTS Martin Anne Robert T. Curran, Jr. Richard Hauck Barbara...HISTORIC MINERAL LOCALITY A Brief History of the Copper Mine at Bare Hills, Maryland by Herbert C. Moore HISTORIC...HISTORIC MINERAL FEATURE William Keith's Copper Mine: Prelude to the Maryland-Pennsylvania Border War...between the larger states of Pennsylvania and Virginia. In spite of its smaller square mileage it encompasses...chromite beds scattered in the serpentine barrens of northern Maryland. Thus began a new indus try and a new |  | | Report (issue) | | Sketch map showing location of study area in northern California .....................................continues through the La Porte quadrangle into the northern part of the Goodyears 1 PETROLOGIC AND STRUCTURAL...(Hietanen, 1973a) FIGURE 1. Location of study area in northern California. The Melones fault zone at the eastern...schist interbedded with discontinuous layers of metabasalt and metaandesite that contain the low-temperature...quartzite and schist of the Shoo Fly Formation on the ridge south of Bunker Hill. In the Mount Fillmore quadrangle |  | | Report (volume) | | Geological Survey, Books and Open-File Reports Section, Federal Center, Box 25425, Denver, CO 80225. Reports...533), Rm. 3128, 345 Middlefield Rd. • RESTON, Virginia--503 National Center, Rm. 1C402, 12201 Sunrise...Alaska may order maps from Alaska Distribution Section, U.S. Geological Survey, New Federal Building -...Orocopia Mountains Wilderness Study Area, Riverside County, California By GORDON B. HAXEL, DAVID B. SMITH...1988 For sale by the Books and Open-File Reports Section U.S. Geological Survey Federal Center, Box 25425 |  | | Journal (article/letter/editorial) | | Silvana Martin 2 , Andrea Festa 3 1 2 3 * Citation: Tartarotti, P.; Martin, S.; Festa...E-W trending fault system, which separates the northern tectonic units, deeply involved in the Alpine...the southern Aosta Valley are thrust over the northern end of the Pennidic Gran Paradiso massif and in...Miserin lake area (yellow star), and Soana valley (blue star). Simplified lithostratigraphic columnar sections...Complex consists of serpentinite, metagabbro, metabasalt, and metasedimentary rocks [62]. The original |  | | Report (volume) | | 597; Transactions, vols. 105111, 113, Year Book Section of Bulletin, 1933, 1934. New York. See also Mining...vols. 9, 10. Sharon, Mass. Copenhttgne, Museum de mine"ralogie et de ge"ologie, cle PUniversite' de Copenhague:...pale"ontologiques, nos. 41, 44-46, 48-50; Contributions mine"ralogiques, no. 24. Kobcnhavn, Denmark. Denison...Review, vols. 61, 62. Washington, D. C. Museum of Northern Arizona: Museum Notes, vols. 2-7 (part) ; Bulletin...Newfoundland, Department of Natural Resources, Geological Section: Bulletin 1; Information Circular 1. St. Johns |  | | Report (issue) | | -------------------------------Piedmont province ---------------------------Blue Ridge province --------------------------Valley...----Valley and Ridge province --------------------Appalachian Plateaus province ---------------Adirondack...ndack province -------------------------New England province -----------------------Availability of ground...of ground-water resources ------------------Acid mine drainage --------------------------Saline ground...__ West Virginia _____ ___ __ __ __ __ __ _____________ 22 25 25 26 27 27 28 18 Virginia -------- |
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