 | | Report (issue) | | Deposits in Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE...1082-K The geology, distribution, production, and mining development of deposits of chromite, titaniferous...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...Marriottsville districts _-_____-___.___.____ Hollofield district ....._..._....-_-._..-._-.-_-.__._.._...... 709...709 710 711 712 713 714 714 714 714 Bare Hills district....._-____--._-_-_--_---.._.__-_..._._.. Woodensburg-Cardiff |  | | Journal (article/letter/editorial) | | Introduction CHROMIUM DEPOSITS of Maryland and Eastern Pennsylvania WINSLOW H. H A R T F O R D Chemistry...Pennsylvania, gold from North Carolina, and chromium from Maryland and Pennslyvania. Because stainless steel and...technology came after the practical exhaustion o f the Maryland chromium ores, the mines are small and many have...yellow." 2 Opening at Choate mine, Soldiers Delight, Baltimore County, Maryland. Paul Clifford of Rocks and...heavy black mineral. Brought by sledge from the mine to tributaries of the Ob, and rafted to the Arctic |  | | Journal (article/letter/editorial) | | Sciences, Harvard University, Cambridge, MA 02138, USA (Received February 13, 1992; accepzed in r#~sed~rrn...seawater modified by a variety of reactions. The district is an example of the complexities of subsurface...Au mineralization at the nearby McLaughlin gold mine. The hot springs precipitate pyrite and native sulfur...and deposited gold at the McLaughlin mine of the Knoxville district, which contains three million troy...Washingtonstate University, Pullman,WA 99 164-28 12, USA. 1093 E. K. Peters Complexion Bath House Soap |  | | Report (issue) | | Triassic deposits 31 Mineral localities 38 District of Columbia Mavtrl a Tirl IWlCfci JT XClilUl...^ 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...of the Baltimore Gabbro Complex at Ilchester, Maryland. Figure 6. Triassic diabase dike forming a ridge |  | | Journal (issue) | | specimen from the Spanish Dry Diggings, Eldorado County, California, and a little of its history ........with Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...(deceased) Peter L. Via Salim Edde Daniel Trinchillo Lyda Hill Scott A. Rudolph Daniel J. Record Gail & Jim Spann...very rare loose crystal. Ossining, Westchester County, New York. wckport, New York. Ex. Coll. : New...DENVER MART EXPO HALL ROOMJ53 BARITE 20.3 CM XIEFANG MINE , GANZHOU PREFECTURE , JIANGXI PROVINCE , CHINA |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book | | from Hyner View, Hyner Run Slate Park, Clinton County, showing accordant ridges in the Appalachian Plateaus...of the Ridge and Valley province in Huntingdon County. Flooded meanders of Raystown Lake on the Raystown...deposits Carlyle Gray C. Nickel-copper deposit (Gap mine) James M. McNeal D. Zinc-lead-silver Arthur W Rose...Kochanov B. Mines 724 Richard E. Gray Chapter 50. Mining and reclamation James P Nairn, Harold L. Lovell...XXI Pulpit rocks on Warrior Ridge in Huntingdon County, co1nposed of the Lower Devonian Ridgeley Sandstone |  | | Report (issue) | | geol·ogy Occurrence of refractory clay in Randolph County, W.Va., by K. J. Englund and H. J. Goett______________________...and apatite-bearing ultramafic chlorite rock, Harford County, Md., by D. L. Southwick_______ Quartz diorite-quartz...part of Upper Cretaceous Mancos Shale, Slick Rock district,Colorado, by D. R. Shawe ____________________...Formation (Paleocene) in southeastern Hardeman County, Tenn., by S. M. Herrick and D. R. Rima-------...Formation in the Alvord ~ountain area, San Bernardino County, Calif., by G. E. Lewis----------------------- |  | | Report (issue) | | the Taconic-Berkshire, the RoweHawley, the Bronson Hill, the Nashoba, and the MilfordDedham. Their mutual...Blackstone Group: Greenstone and amphibolite (Hunting Hill Greenstone) (Zbv)........................ Metamorphosed...the mafic metavolcanic rocks (Zv) and the Hunting Hill Greenstone (Zbv).................... Metamorphic...and measured sections on the east side of Hoppin Hill, Attleboro, Mass..................................the Hoppin Formation at the north end of Hoppin Hill Reservoir...................................... |  | | Journal (volume) | | California OF MlNE&siTY of AV,S RY I ( 59 Amador County, IRY BUILDING, 9 LIBRARY STATE OF CALIFORNIA...containing several thousand books and on geology, mining, mineralogy, chemistry, metallurgy, and related...devoted to the petroleum and mining industries, and newspapers from the mining centers of the state exhibits...exhibits of minerals, rocks, mine models, etc. a service laboratory for the determination of California minerals...minerals and a conference room with a mining engineer in attendance to serve the public and to sell publications |  | | Report (issue) | | Prehnite-pumpellyite facies metamorphism in central Aroostook County, Maine eee re il. C20 ea Tt Dorothy A. Richter... Borns Nickeliferous pyrrhotite deposits, Knox County, southeastern Maine Er it atte era (Seale 8 George...v. 3, no. 9, p. 3-8. Ludlamite from the Palermo Mine, North Groton, New Hampshire: Am. Mineralogist,...and mineral deposits: Dhanbad, India, Coal and Mining Jour., The New Sketch, Republic Day Spec. No....and pegmatite evolution: Dhanbad, India, Coal and Mining Jour., The new sketch, Republic Day Spec. No., |
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