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| .................................... 523 T he Virginia Piedmont r e g io n ............................................................ 525 Kinds of granite ........................................................... 526 The Richmond-Fredericksburg dark blue g r a n ite .............................. 528 The................................ 530 Porphyritic granite .......................................................................................... 531 Granite-gneisses ..................................... |
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| .................................. CHAPTER I. GRANITE IN GENERAL .......................................................... 1.......... Varieties of granite.............................................................................. Varieties of the granite ........................................... Mineral................................................ Granite.................................................................................. 49 Individual quarry areas......................................... |
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| DEKALB COUNTY, GEOHGIA, I6 MILES NORTHEA T O F ATLANTA , 0 TilE GEORGIA RAILROAD. A GRANITE BO RISI..."biotite granitegneiss'', read bz"otZ:te granite and granite-gnezss. 4 On page 75, in column I, table...CHAPTER I GENERAL CONSIDERATIONS. Definition of Granite . . . Mineral Composition and Structure Chemical...Chemical Composition . . . . . . • Varieties of Granite . . . . . . . . General Physical Properties . . . ...Occurrence . • ~he History and Uses of Granite . . . . . • The Origin of Granite . . . . . . . . . . 3 20 23 |
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| .......................................... 93 Granite................................................................................ 96 Porphyritic granite.................................................. In the field, the porphyritic facies of th e granite masses are found to grade peripherally into an...an even-granular, medium, coarse textured granite of the same m ineral an d chemical com position. Likewise...For this reason the gneisses are referred to as granite-gneisses. T hat comparisons m ay be effected and |
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| Rock-Marble Fossil-Basilosaurus cetoides Gemstone-Star Blue Quartz Soil-Bama Series Mineral-Rhodochrosite Rock-Yule...Explorer Rock-Dighton Rock Building & Monument Stone-Granite Soil-Paxton Series Glacial Rock-Rolling Rock 65...peeblesorum * Nebraska Rock-Prairie Agate Gemstone-Blue Agate Fossil-Mammoth Soil-Holdrege Series River-Platte... * North Carolina Precious Stone-Emerald Rock-Granite 109 110 90 90 91 91 a2 * North Dakota Fossil-Jeredo...* Oregon Rock-Thunderegg * New Hampshire Rock-Granite Mineral-Bery] Gem-Smoky Quartz 2B) 100 100 116 |
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| state) follow. • Colorado's block of Pikes Peak Granite seems to be an especially appropriate contribution..."America the Beautiful." • Connecticut's Stony Creek Granite has been used in many well-known edifices—for example...New York City. • The Delaware block, "Brandywine Granite" (actually a gneiss), was supplied by the Hagley...Marble (white) Cambro-Ordovician Moretti-Hurrah quarry, Sylacauga Alaska Douglas Volcanic Series Meta-Basalt..."marble") Ordovician Oran McBride Company quarry, Independence County California Mariposite-rich rock (green |
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| THOMAS LEONARD WATSON Brooks Museum, University of Virginia OUTLINE OF THE GEOLOGY OF THE CRYSTALLINE AREA...final report) and of O. M. Lieber in 1855-60. The Blue Ridge crosses the extreme northwest corner of the...porphyry tuffs,' corresponding in composition to granite and quartz monzonite. These altered tuffs have...Union counties, where variation is from ordinary blue limestones to white coarsegrained marbles. True...per cent. of magnesium carbonate. Ordinarily the blue limestones are the more calcareous and the light-colored |
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| author that sufficient fresh exposures exist at quarry sites and flat rock sites throughout the Piedmont...Counties;W. T. McCutchen, Edgefield County; and B. F. Buie, Union County. Published reports have been fully...utilized as follows (to date): J. R. Butler, York County; D. T. Secor and H. D. Wagener, Fairfield and Richland...Keith and D. B. Sterrett, Cherokee County; J. F. McCauley, Newberry County; H. Y. McSween, parts of Greenwood...region. H. D. WAGENER AND DAVID E. HOWELL 2 GRANITE PLUTONS gate Producers Association for sponsoring |
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| Correction to previous Sampleite No 359: This (blue masses in matrix the in a quantity of each. r:iajority...crusts on Hidalgoite (Gold Hill Mine Tooele County Utah USA) lxl f2.5O lx2 f5.OO 2x2 flO C263 AXINITE...fl.5O lx2 f3 2x2 f6.OO C264 blue green Morocco) BERZELIANITE rich blue (_Bukov, Bohemia CSFR) 1 x 1/2...to dark brown masses (Monumnt No 2 Mine Apache County 1/2 x 1/2 f3.5O lxl f5 C266 DEFERNITE 37 Km east...mineral has only been found in The Mendips. (Merehead Quarry Mendips Somerset) f3.50 C273 COLORADOITE Mine |
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| gneiss.___________________________________________ Granite gneiss.____________ ________________________________...____________________ ___________________________ Granite._______---_--_----_-_---_____-_______---____--_-_...map of the District of Columbia and the area in Virginia that was formerly a part of the District.___-___-__...portraying Powhatans at work at the Piney Branch quarry workshop--_______________-______-_-----------11...schist, showing fault. 21 9. Gneissic biotite granite in Rock Creek Park_________-_______ 25 ! 10. Deposits |
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| MINERALOGY OF The Granite Mountain Syenite PULASKI AND SALINE COUNTIES, ARKANSAS Within the last few...been documented from the syenite pegmatites of Granite Mountain. HENRY L . BARWOOD Arkansas Mining and...Saline County to the city limits of Little Rock in Pulaski County. The outcrops in Saline County are weath...outcrop to the northeast forms a promi nent ridge ("Granite" Mountain) and contains four active and many inactive...crushed rock. Both operations often occur in the same quarry, with the dark gray nepheline syenite being used |
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| ............................................. Virginia......................................................................................... West Virginia.................................................specimens. Some mineral aggregates, such as clay, granite, limestone, sand, and sandstone, are included because...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; |
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| among the States of the Union in the value of her granite and marble production but, in 1939, she yielded...(Plate 2) ..................................6-7 Granite Quarries (Plates 3 & 4) ...........................................24-25 Monuments of Barre Granite ..............................................26-27...Beividere, in Eden and Lowell townships, Lamoille County. (See the Jay Peak quadrangle of the F. S. Topographical...VERMONT MINERAL INDUSTRIES: JACOBS olina, and Virginia produce fibrous anthophyllite [(Mg,Fe) S103] which |
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| mass in Calcite.(Dark Star Mine,Ravalli County, Montana USA) 1 x 14 £2.50 1x1 £4 1x2 £10 156 NATIVE BISMUTH...Ca (V 0 ) SiO Looks like a copper mineral. Small blue radiations and crystals on clean white STILBITE...1x2 £5 2x2 £10 151 LEUCOSPHENITE Ba Na Ti B SiO Blue massive with NEPTUNITE K Na Li (Fe Mn) Ti SiO, possible...(Union Carbide Mine, Wilson Springs Garland County, Arkansas USA) 1x1 £4 1x2 £7.50 360 PARATELLURITE TeO...matrix. (Outpost Mine, San Domingo Wash Maricopa County Arizona) Ixliins £4 107 CHLORARGYRITE Ag Cl good |
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| through the 1 D. T. SECOR AND H. D. WAGENER blue quartz occurs within the Persimmon Fork Formation...SOUTH CAROLINA strikes along the north wall of the quarry. Turn around and return to S. C. 215. SATURDAY...3 Turn right on S. C. 215. 22.5 Turn left on county road S-40-944. 0.5 Junction U.S. #1, turn right...saprolite and sandy soil. 25.6 Turn right on county road S-Z0-420. 4.8 Bear left on S.C. 215. 26...Coastal Plain sequence on left. 28.2 Turn left on county road S-40-1435. 6.1 Highly weathered phyllite |
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| National Center Reston, Virginia 22092 573-308-3500 703-648-6045 or phone 800-USA-MAPS Map 3. Arkansas’...Location 1 Montgomery County quartz deposits................. Other Montgomery County quartz mines.........area................................ 2 Garland County quartz deposits......................... Miller...Saline County quartz deposits............................. 3 Jeffrey Sandstone Quarry, Pulaski County........ 4 Granite Mountain, Pulaski County..................... 5 Dug Hill wavellite, Garland County..... |
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| of visiting granite-quarries, or who has had frequent opportunities of examining granite, either in a...almost insensible gradations into the enclosing granite. They are usually finer in grain than the granites...similar in all respects to those of the enclosing granite, excepting that in the majority of cases theirangles...follows : - " T h e magnitude of the parts in granite is extremely various, each constituent mineral...so. Such concretions occur not unfrequenfly in granite and syenite and in other rocks made up of crystalline |
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| fluorite (121.39 ct), Westmoreland, New Hampshire; blue fluorite (132.12 ct), Illinois; square cut particolor...amethsyt (78.70 ct), Hallelujah Junction, Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California;...Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...California. NECKLACE. Vivid blue matched benitoite gems from San Benito County, California, consisting of... Oregon; and three Montana sapphires, violetish blue (2.52 ct), yellow (4.17 ct), and pinkish purple |
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| U Inner Piedmont geology in the South Mountains-Blue Ridge Foothills and the southwestern Brushy Mountains...Stroud, Brad Allison) for access to the Lenoir Quarry. Organization, registering participants, keeping... Inner Piedmont geology in the South Mountains-Blue Ridge Foothills and the southwestern Brushy Mountains.............. 19 John M. Garihan The Walker Top Granite: Acadian granitoid or eastern Inner Piedmont basement...Giorgis STOP 10 Sillimanite Schist–Walker Top Granite contact above Sisk Gap ....................... |
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| a study of th e coolinghistory of a composit e granite intrusion characterised by the quartz-tourmaline-cassit... April Bnd, was devoted to the recognition of granite types occurr ing in the Widecomb e district, to...ckland Common, an auriferous variet y of the" blue " granite , and the features of tourrnalinisation, pn...inferred. Boulders of " giant " granite derived from levels ab ove the quarry were next examined, and the...both types were demonstrated. Proceeding to the quarry at Cold East Cross, a dark micaceous and much decomposed |
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| 25r THE DARTMOOR GRANITE. By ALFRED BRAMM.-\LL, Ph.D., lVI.Sc., D.Le., F.G.S. INTRODUCTION. DARTMOOR...Priority for the discovery of garnets in the Dartmoor granite belongs to H. M. Evans (Trans. Devonshire Assoc...composition of two contrasted granite types are given in the table on page 255. Granite A is highly porphyritic...common tor-granite (Plate II, fig. 9). Granite B, a non-porphyritic variety, is the "blue" granite which has...attributable to contamination of the TH E DARnlOOR GRANITE. 253 magma with fragments of coun try-rock (mainly |
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| 8 percent. lime 45 percent, talc 17.7 percent, granite (cubic feet) 16 percent, and fire clay 10.5 percent...talc prices have improved 10.6 percent, while granite prices per cubic foot have increased 42.3 percent...Colorado, Maryland, New Jersey, North Carolina, Utah, Virginia. and washington. Includes also States entered...VERMONT STATE GEOLOGIST Rough stock Granite Year The Vermont granite industry in 1935 showed an increase...ESTIMATED OUTPUT.OF MONUMENTAL GRANITE IN BARRE DISTRICT, VERMONT 1935 Total quarry output, rough stock.... |
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| s00-sscsccosssccesecceseseeeeeeces 103 Site-4. Bumpus Quarry—Beryl; Quartz and Tourmaline ic.scecc.dcccccee...ease tenants 160 Sitecs)Old-Pressley Sapphire Mine—Blue. Star. Sapphire... ...cwesnndosongaetooaoaavecsnorteannens...Museum Mineral & Lapidary Museum of Henderson County........cccccscceseecesseceseeeseeeseeeeens 172...NaturaliHistory«.....c.ccatsdc.set 182 Site isu (Delaware County Institutesef Sciences in tuanve cls ot eee ee 182...sccsccieeenssavtecenccaspnexevoedstteseddsu Sitess VIRGINIA TiO ACER IN occ sacsn-oslsnsa canine shatepols |
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| fluorite (121.39 et), Westmoreland, New Hampshire; blue fluorite (132.12 et), Illinois; sqmu·e cue parricolor...amethsyt (78. 70 et), Hallelujah Junction, Nevada; blue, cushion cut topaz (25 .30 et), Ra1nona, Caufornia;...California. NECKLACE. Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of... Oregon; and three Montana sapphires, violetish blue (2 .52 et), yellow (4.17 et), and pinkish purple...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache |
 | Merschat, Arthur J., Holm-Denoma, Christopher S., Levine, Jamie, McAleer, Ryan J., Southworth, Scott, Wilson, Crystal G. (2016) Geology of the Mount Rogers area, revisited, Blue Ridge, VA–NC–TN. Field Trip Guidebook. Carolina Geological Society | Report (issue) |
| Geology of the Mount Rogers area, revisited, Blue Ridge, VA–NC–TN Carolina Geological Society Annual...High- Geology of the Mount Rogers area, revisited, Blue Ridge, VA–NC–TN Carolina Geological Society Annual...and the Opening and Closing of the Iapetus Ocean, Blue Ridge, VA– NC–TN .................................the Neoproterozoic Mount Rogers Formation, SW Virginia ................................................Yonts Linking the Central and Southern Appalachian Blue Ridge: What We Know and Don’t Know about Stratigraphy |
