 | | 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 |  | | Journal (article/letter/editorial) | | VIRGINIA MINERAL LOCAL INDEX Although perhaps best known for its turquoise crystals, apophyllite on...on prehnite, 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 of Mineral Resources P. O. Box 3667 Charlottesville, Virginia 22903 T H I S...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 (article/letter/editorial) | | 04237. The Crooker gem pegmatite, Newry, Oxford County, Maine, has been mined sporadically since 1930...occurrence in the United States at Mineville (Essex County). The mineral was identified in a sample collected...Polycrase-(Y) was described from Day pegmatite, Saratoga County. It occurs as small, dark greenish to brownblack...found near Long Lake, Hamilton County, and Trout Brook Valley, Essex County, in the Adirondacks. Chemical...Chemical Characterization of Northern Virginia Apophyllite, (K, Na)Ca4Si8O20(OH, F)· 8H2O. B. M. Meier and |  | | 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 (article/letter/editorial) | | Consequently, most collectors are familiar with prehnite, typically as pale green botryoidal or reniform...New Jersey, or Centreville, Virginia. Recently, however, extraordinarily fine prehnite specimens have...for its most famous locality, Tsumeb. One such prehnite specimen has been nominated for this issue’s Connoisseur’s...Connoisseur’s Choice (see fig.). Prehnite is best known in shades of green that vary from pale to very...it exhibits a vitreous-to-weak pearly luster. Prehnite has cleavages on [ 001 ) and { 110) that are good |  | | 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) | | Loudoun County, Virginia H O W A R D R. F R E E L A N D 10340 Hollyberry Drive Richmond, Virginia 23234...23234 Most collectors are familiar with fine prehnite, apophyl lite, and zeolite specimens associated with...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) | | ^ 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 |  | | Journal (issue) | | page X) In this issue … Mineral of the month: Prehnite .......... p. 4 April program details .......... Bank manager finds diamond.............. p. Prehnite From Southbury, Connecticut Bench Tip: Depth... Mineral of the Month Happy Easter! Prehnite by Sue Marcus Prehnite is our Mineral of the Month for April...it in Virginia, and more of us can seek it when we return to field collecting. Although prehnite is relatively...Northern Virginia Mineral Club members, No in-person social events for now! The first prehnite to be described |  | | Journal (article/letter/editorial) | | produced from the French Creek Iron mines in Chester County, Pennsylvania. Spectacular groups of pearly white...up to approximately 8 em across on medium green prehnite were collected in 1967 from large tubelike cavities...cavities in a trap-rock quarry at Centreville, Fairfax County, Virginia (Medici 1972). Interestingly, the...Ore Knob massive sulfide copper deposit in Ash County, North Carolina, where surprisingly good crystal...recovered from the Phoenix and Clark mines of Keweenaw County, Michigan. Interesting crystallized apophyllites |  | | 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 (article/letter/editorial) | | Associated minerals include calcite, quartz, prehnite, danburite, axinite, garnet, and the zeolites...quarry at Deerfield, Franklin County, where it occurred with prehnite. Crystals from this locality were...century at the Lane quarries at Westfield, Hampden County, Massachusetts; fine specimens were also found...al. 1980) and quarries at Prospect Park, Passaic County, are noted for datolite; datolite clusters and...and the Riverside quarry, Totowa, also in Passaic County. Downloaded by [Queensland University of Technology] |  | | Report (issue) | | Prehnite Ca2Al2 Si3 O10 (OH)2 ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Orthorhombic...In the USA, from Paterson, Passaic Co., and Bergen Hill, Hudson Co., New Jersey; in the Fairfax quarry...quarry, Centreville, Fairfax Co., Virginia; in the Roncari quarry, East Granby, Hartford Co., Connecticut;...sheet silicates, 263{266. (3) Nu±eld, E.W. (1943) Prehnite from Ashcroft, British Columbia. Univ. Toronto...Scavnicar, and G. Molin (1990) Crystal structure of prehnite from Komiza. Eur. J. Mineral., 2, 731{734. All |  | | 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 |  | | Report (issue) | | X-ray Powder Pattern: Goose Creek quarry, Virginia, USA. 2.931 (10b), 4.06 (7b), 7.37 (6), 5.81 (5)...0.2 [11.8] [100.0] (1) Goose Creek quarry, Virginia, USA; by electron microprobe, H2 O by di®erence;...alteration of diabase. Association: Ancylite, epidote, prehnite, chlorite, actinolite, stilbite, albite, zircon... Loudoun Co., and the Fairfax quarry, Centreville, Fairfax Co., Virginia, USA. Name: For the occurrence...Co., Virginia, USA. Type Material: National Museum of Natural History, Washington, D.C., USA, 149397 |  | | 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....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 (issue) | | INDUSTRY OF VIRGINIA IN 1974' ADVANCE SUMMARY Total value of mineral production in Virginia in 1974 was...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...producers). 2 ~ e v i s e dfrom value given in Virginia Minerals, vol. 20, no. 4, p. 29, November 1974...346 - 2 VIRGINIA DIVISION OF MINERAL RESOURCES Vol. 22 THE MINERAL INDUSTRY OF VIRGINIA IN 1975 PRELIMINARY |  | | Report (issue) | | basalts. Association: Zeolites, apophyllite, prehnite, calcite, quartz, \chalcedony." Distribution:...In the USA, at Crestmore, Riverside Co., California; in the Fairfax quarry, Centreville, Fairfax Co., Virginia;...Virginia; and at Skookumchuck Dam, near Bucoda, Thurston Co., Washington. In the Je®rey mine, Asbestos |  | 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...78° Blue Ridge Province Piedmont Province Culpeper Basin Coastal Plain Province 1. Nelson (1997) 2...the southern part of the Culpeper basin and the Barboursville basin, Virginia: U.S. Geological Survey |  | | 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...the Belvidere Mountain quarry, Lowell, Orleans County). Epidote crystals to 5 cm have been found in the...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 |  | | Journal (article/letter/editorial) | | localities in the United States: Butte, Silver Bow County, Montana. Butte has been called “the richest hill...and pyrite, 11 × 9 × 4 cm, from Butte, Silver Bow County, Montana. Montana Tech Mineral Museum specimen...quartz, 13.5 × 10 × 6.5 cm, from Butte, Silver Bow County, Montana. Montana Tech Mineral Museum specimen...with quartz, 5 cm across, from Butte, Silver Bow County, Montana. Dr. Peter Knudsen specimen and photo...mine, located near the town of Bristol in Hartford County, Connecticut, was another producer of fine bornite |  | | Journal (article/letter/editorial) | | Prehnite--Apophyllite Plus! by LINDY COOPER Virginia Peninsula Gem and Mineral Society Hampton, Virginia...American Federation: The L u c k Quarry at Centreville, Virginia, long has been recognized as a prime source...delightful mineral combination—delicate green prehnite w i t h its frosting of cubic-looking apophyllite...apophyllite crystals. Located in historic Northern Virginia within view of the picturesque Blue Ridge Mountains...collectors. lecting material and will take home Centreville is an active trap-rock quarry only what I can |  | | Report (issue) | | and C.M. Sears U.S. Geological Survey Reston, Virginia 22092 Open-File Report 92-448 This report is...Site Number, Site Name ...................... 6 County, State, Quadrangle, Latitude, Longitude .........Section A: Occurrences located north of the Hartford basin, New Hampshire ...................... .67 B. Section...Section B: Occurrences located in the Hartford basin and vicinity, Massachusetts .................... ...Section C: Occurrences located in the Hartford basin and vicinity, Connecticut ..................... |  | | 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...127 ■■ DELAFOSSITE Consolidated Copper Co. Nevada. USA Tiny black spheres in while matrix Fairiy rich. Micro...1141 ■ HEMIMORPHITE Hansonberg District, Socorro County, New Mexi 1154 ■■ SAHLITE Gjerstad, Bamble ,South...Pb(CaMn)SiO 861 ■■ MIARGYRITE McLaughlin Mine, Napa County, California, US, Metallic greyish-red in matrix |  | | Journal (article/letter/editorial) | | enroute at the Fairfax trap rock quarry near Centreville, Virgina, where the prehnite on apophylite was...long a hike in—but you could look over half the county (which we did) and not find it. Then D . Collis |
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Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA