 | | 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...................................... 20 Mountain Run Member ......................................... |  | | 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 |  | | 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) | | STATE OF VIRGINIA CONSERVATION AND DEVEI.OPMENT COMMISSION VIRGINIA GEOLOGICAL SURVEY Wilbur A. Nelson...Belt Northeastern Piedmont Virginia By John T. Lansdale (Jniversity, Virginia IgI XICA!g COMPANY, PRIX'ER3...CorrrroxwEAr,TH oF VrncrNra Virginia Geological Survey Universitl' of Virginia Cl,arlottesville, Va., Februarl'...recommend {or publication as Bulletin 30 of the Virginia Geological Survey Series of reports a manuscript...the gold-pyrite belt in northeastern Pieclmont Virginia. The area involvecl comprises approximately 600 |  | | Journal (article/letter/editorial) | | consisting mostly of quartz but a few of feldspar and epidote, scattered through. out a dark red matrix, which...the diabase. Along Rose River, at Syria, Madison County, Va., the writer picked up some very fine, large...blood-red jasper and small float boulders of unakite (epidote-porphyry) which polished into very beautiful exhibition...the gravelly beach of the Potomac River below Broad Run, Md., about 10 miles s.e. of Washington, D. C |  | | Report (volume) | | ............................................. Virginia......................................................................................... West Virginia.................................................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;...following localities : Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20 S., R. 7 E.; |  | | Report (volume) | | .........Prof. George H. Perkins, Burlington. Virginia...........Dr. Thomas L. Watson, Charlottesville...Washington....... Prof. Henry Landes, Seattle. West Virginia... .Dr. I. C. White, Morgantown. Wisconsin......See Bauxite and Hallpysite. 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;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson |  | | Report (issue) | | AND OCTORARO SCHIST OF THE DOE RUN AND AVONDALE REGION, CHESTER COUNTY, PENNSYLVANIA. By ELEANORA F. BLrss...region discussed in this paper lies in Chester County, Pa., and is included in the eastern half of the...-Index map showing location of Doe Run' and Avondale region, Chester County, Pa. line schists and gneisses...northern half of the area, which will be called the Doe Run region, from the village of that name (see fig. 4...The distribution of these formations in the Doe Run and Avondale region is shown on Plate I. It may be |  | | Journal (issue) | | of which we took along Wagnerite and radiated Epidote crystals on Dolomite crystals. These localities...Pyrargyrite Dolomite Pyrite Emerald Pyrochlore Epidote Rosenbushite Eucolite Rutherfordine Euxenite Rutile...is along a side line, on which but a few trains run daily, much time was wasted in waiting at junctions...consisting mostly of quartz but a few of feldspar and epidote, scattered throughout a dark red matrix, which...the diabase. Along Rose River, at Syria, Madison County, Va., the writer picked up some very fine, large |  | | Report (issue) | | and Octoraro schist of the Doe Run and Avondale region, Chester County, Pa., by E. F. Bliss and A. I....Contributions to the geology and paleontology of San Juan County, N.Mex.: (P) 1. Stratigraphy of a part of the Chaco·River...The reef-coral fauna of Carrizo Creek, Imperial County, Cal., and its significance, by T. \V. Vaughan...Page. I. Geologic map of Doe Run and Avondale region, Chester County, Pa .............................Shenandoah limestone, 1! miles southeast of Doe Run, Chester County, Pa.; B, Secondary folds on limb of anticline |  | | Report (issue) | | -------------------------------Maryland, Delaware, and Virginia --------Massachusetts ---------------------------]dichigan...---------------------------Virginia --------------------------------West Virginia ---------------------------Wisconsin...l cooperators --------------------------State, county, and local cooperators -----------Other cooperators...unidentified, source. Edna Mountain area, Humboldt County, Nevada Detailed geologic and geochemical mapping...Coldrun Creek 71;2-minute quadrangle, Humboldt County, Nev., has revealed areas that contain anomalous |  | | Report (volume) | | work in the South Mabratta country. A section was run across the gneissic area lying between Bella ry and...some more definite views upon rocks forming so broad a feature in the geology of India. The observations...are more especially prominent; tho hills which run along the north side of the Bhiaura range and those...those used in iron smelting. The tin, after being run out and cooled with water, was broken up, the clean...Here a band of greenstone, about 15 inches broad, is seen run¬ ning N. 10° E., or nearly at right angles |  | | Report (volume) | | therefore unnecessary to refer to it A more short run into the northern portion of the Itajmchal Hills...Geological Survey of India, S The and grooves run in long parallel Htriaj lines, [voi.. viir. having...north-north-west, soutli-sonth-east strike or ‘run’ across the At cou-itiy. places there may ...underlie ; west of this show down in the low as they run south of the Kadgani-Gudalur reefs it is difficult...thickness feet. of the leaders naturally varies run generally up to 2 feet or 8o api)ear to Dunbar |
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