 | | Report (issue) | | Chromite and Other Mineral Deposits in Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania...production, and mining development of deposits of chromite, titaniferous iron ore, rutile, talc, asbestos...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...____________ Mine descriptions_______________________________________ Montgomery County, Md___-_______________________...___Weir and Harris mines..-_---_-_-_--__-_______. Choate mine._________________________________ Unnamed mine__ |  | | 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...the mines near Baltimore. History of Chromium and Chromium Chemicals in the Baltimore Area The story...brilliantly colored accessory minerals, the most common chromite ore was an ugly black mineral containing about |  | | Journal (issue) | | of Maryland: A Hiswrical Sketch by Jay L. Lininger HISTORIC MINERAL FEATURE A History of Chromite and...and Copper in Maryland: The Tyson Years by Sally Newcomb HISTORIC MINERAL LOCALITY A Brief History of the...the Copper Mine at Bare Hills, Maryland by Herbert C. Moore HISTORIC MINERAL FEATURE Maryland GOLD by Walter...MINERAL FEATURE William Keith's Copper Mine: Prelude to the Maryland-Pennsylvania Border War by Paul Chrastina...Lininger 125 HISTORICAL MINING CERTIFICATES The Maryland Gold Company by Walter A. Goetz 128 ON THE COVER |  | | Journal (issue) | | .................................... 472 CHOATE CHROME MINE. By Peter Z odac ................................................ 474 PERU'S GREATEST LEAD MINE ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท...black P-odular masses. It is found at an old cobalt mine, SO miles due north of Middlebury, in central Transvaal...Transvaal, in South Africa. The vein at the mine consists of much decomposed feldspar, green amphibole...southern slope of the hill. Cop- ยท per Mine H ill, Iron Mine Hill, and Calumet Hill were visited, but |  | | Book (edition) | | feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose...should always ask permission it may be un- or a mine dvmip. Cleanliness around a camp site and removal...Lincoln Co. Todd's Branch, Mecklenberg Co. Portis mine, Franklin Co. Muddy Creek headwaters, McDowell...Ferry, Hall Co. Horshaw mine, Racooche Valley, White Co. 1866 Vs White County Daniel Light form, %...Alabama has yielded a 4i%4 carat diamond from Shelby County, 30 miles south of Birmingham, found about 1900 |  | | 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...Rhythmically.layered gabbro of the Baltimore Gabbro Complex at Ilchester, Maryland. Figure 6. Triassic diabase...of Anne Arundel, Prince George's/and Baltimore Counties, Maryland (Sterrett, 1911). Figure 9. Distribution |  | | Journal (issue) | | Loseyite, Mn4 Zn3 (CยทO3) 2(OH) 10 from Franklin Sussex County, New Jersey: A New Physical Descriptioll VaยทnKlng...fl;11nb11ri:. H.irdy&tonTowns.hip, S111,s.c.ll: County, NJ. 11 1 interโข ting 111111 Lo y hrm a mincr...identification of a post-mine efflorescence, on wooden timbers, from the Max mine, Bleiberg, Carinthia....The Minerals ofFranklin and Sterling Hill, Sussex County, New Jersey, U. S. G. S. Professional Paper 180...per square kilometer! Although the world-leading USA has more than ten times the number of new species |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Book | | Illlnois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Michigan Minnesota Mississippi Missouri Montana...r~/ s,~vcv Maryland Dep2rl'lRE8'1,I: Oi Gsalo~, Mloei, The Johns Hopkins University Baltimore 18, Mary...northeast part of the Coosa Coal Field, St. Clair County, Alabama, by H. E. Rothrock. 1949. 69 B. 50 Well...and G. L. Richardson. 91 1940. district, Franklin County, Alabama, by E . F. Burchard and H. D. Pallister...C".1.5 Geology and mineral resources of Cherokee County, AlaC. 2 Abstract of Alabama clay bama, by E . |  | | Journal (issue) | | just recently and we have made arยญ rangements to mine all that may be in the deposit. At the present we...Mineralogical Record Post Office Box 7 83 Bowie, Maryland 2 0 7 I S editorial matter Contributed manuscripts...Mineralogical Record, Inc., P.O. Box 783, Bowie, Maryland. Printing is by Kaufmann Graphics inc., 1110 Okie...of gypsum crystals from the Cornwall Iron Mine, Lebanon County, Pennsylยญ vania. The entire duster measures...extensive that from nearly every newly discovered mine in the country he was Spring, 1970 immediately |  | | Report (volume) | | cientlfica Circular Classe classification Company, County Collections Committee Communications Comparative...Hopkins University Studies in Geology no. 15. Baltimore, Md. Journal of Geography vols. 45, 46. Menasha...Chicago, 111. Journal of Mammalogy vols. 27, 28. Baltimore, Md. Journal of Marine Research vol. 6, nos. 1...Abstracts nos. 5, 6. Bethlehem, Pa. Los Angeles County Museum: Publications nos. 4-7; Quarterly vol. 6...40. Orono, Maine. Maryland, A Journal of Natural History vols. 16, 17. Baltimore, Md. Massachusetts |  | | Journal (issue) | | Bircher St.. Granada Hills. CA 91344 Mrs. Sharr Choate, First Vice-President 1643 Matson Or .. San Jose...CA. Host, Gem and Mineral Society of San Mateo County. H.B. Murnan, P.O. Box 53. NAS Moffett Field ,...Gem end Mineral Club. 10th Annual Show. Cayuga County Farm . Home and 4-H Center, Grant Ave .โข Rt. 5... Wauseon. OH . 8-6 and 8-2. Harold Arney. 9907 County Line Rd .. Britton. Ml 49229. Swapping. camping...Rollin' Rock Club Meeting . June 1 and ~- StNle County Gem and Mineral Club. Show. Steele Co. Fairgrounds |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...minerals. He will pick over stream beds, gravel pits, mine dumps, road cuts, and quarries. Some gems may also... even an unfenced range, a deserted cabin, or a mine dump. Be ready to sign a waiver absolving the owner...slope above you may start a rock slide on you. Open mine shafts and water-filled pits are obvious dangers...takes exposed, whether in a road or railroad cut, mine dump, excavation, gravel pit, beach, river bar, |  | | Journal (issue) | | State Line Kimberlite District, Colorado & Wyoming, USA By Philip Persson, PerssonRareMinerals.com 6 Page...State Line Kimberlite District, Colorado & Wyoming, USA Philip Persson, PerssonRareMinerals.com While small...Stateline District, most notably from the Kelsey Lake Mine, a cluster of 8 diamondiferous pipes near the Wyoming...gem-quality octahedral crystal from the Kelsey Lake Mine, Stateline District, Colorado. (Photo from Coopersmith...would be come Coloradoโs ๏ฌrst commercial diamond mine, Kelsey Lake. Discovered by a local prospector in |  | | Journal (issue) | | 'Granada Hills. CA 91344 CONTENTS: Mrs. Sharr Choate. First Vice-President 1643 Matson Or.. San Jose...CA. Host, Gem and Mineral Society ot San Mateo County. H.B. Murnan, P.O. Box 53, NAS Moffett Field, CA...Demonstrations, displays. dealers. Apr. 8 and 7. Amador County Gem and Mineral Society. 91h Annual "Gold Oust...Pyrite Cuprlte Chalcopyrlte Vermiculite Polyhalite Chromite Magnetite Barlte Colemanlte Arsenopyrite Bastnaesite...joined by guests for a field trip to the Katerinna Mine. The most interesting find was a large stone containing |  | | Report (volume) | | the Great Eastern prospect, Bunkerville, Clark County, Nev.:: U: S. Bur. Mines Inf. Circ. 7029, 8 p....E. S., 1908a, A pyrrhotite.peridotite from Knox County, Maine, a sulfide of igneous origin; Jour. Geo...Gibelline manganese-zinc nickel deposits, Eureka County, Nev.: U. S. Bur. Mines Rept. Inv. 4162, 9 p. Bishopp...p. 125-133. Bj~rlykke, Harald, 1947, Flat nickel mine: Norges Geol. Unders9Skelse 168b, 39 p. - - - '1949...399-420. Blanchard, Roland, 1944, Derivatives of chromite (discussion) : Econ: Geology, . v. 39, p: 448 |  | | Report (volume) | | fm________ franc. ___---_ front__--__Ft___..-- Company, County Collections Colorado Commission,Committee Communications...Literature ls_______---_- limestone Md___ _______ Maryland North America no date North Dakota new series...Geology, v. 56. Chicago, 111. of Mammalogy, v. 29. Baltimore, Md. of Marine Research, v. 6, no. 3; 7, nos....Science Bulletin, v. 32. Topeka, Kans. Los Angeles County Museum Quarterly, v. 6, no. 4; 7, nos. 1, 2. Los...Winnipeg, Manitoba. Maryland, a Journal of Natural History, v. 18, nos. 1, 2. Baltimore, Md. Meddelelser |  | | Book | | Carbonate rocks Celestite Potassium minerals 49 Chromite Clays 41 190 Pumice & scoria 52 Pyrophyllite...come not merely from one district but from a single mine. Thus the physical properties of many rocks and...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...derived from the USA and Tur- key, a situation too narrowly based comfort. Users of chromite, who must the...the USSR, South Africa, Albania, and wish that chromite deposits were more for some consumersโ rely on |  | | Journal (article/letter/editorial) | | too. M a l i c k s , 5 5 1 4 Plym o u t h Road, Baltimore 14, M a r y l a n d . MARCASITE FOSSILS โ O f...b e a u t i f u l l y preserved. Free list. A I Choate, 1553 Crittenden, A l d e n , N . Y . 544 FOSSILS...Siderite f r o m an o l d lead mine, cassiterite f r o m an old t i n mine, both in Godfrey, S. C. H. W...BARITEโRose, b o r n ite, cassiterite, chondrodite, chromite, datolite, dolomite, enstatite, edenite, fluorite...547, 550 Carter, N . E 544 Cascade Minerals 549 Choate, A I 544 Circle " C " Explorers ....547 Clair, |  | | Journal (article/letter/editorial) | | inclusionsparallel to (010) and (100)--probably magnetiteor chromite--whichgive it a dark gray to black color in hand...andfeldspathic rocksis: 452 AARO E. AHO (1) chromite,magnetite(in part); (2) olivine; (3) magnesiumpyroxene...the northeast." The two orebodiesof the Victoria mine are similarly describedas "... two smallcylinders...Walker, J. F., 1933, The nickel-bearing rocks near Choate, British Columbia: Geol. Surv. Canada Suture. Rept...I-IoRwooD,H. C., 1936, Geologyand mineral depositsat the mine of B.C. Nickel Mines, 21. --., 22. 23. 24. 25 |  | | Journal (issue) | | VALUE iccains... choose a FULL GARDNER-DENVER Mine Car Loaders dipper every bite... because two...digging into stubborn muck piles. FULL to the top mine car loads... Extra speed developed by the moving...ore far back to completely fill your big capacity mine cars. FULL time availability ... Heavy-duty ...parts and protected lubrication keep Gardner-Denver Mine Car Loaders plan on using undergroundโenable...abrasive muck. <-* GARDNER-DENVER The smaller GD9 Mine Car Loader-โfor fast loading in low or narrow headings |  | | Book | | Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri...had been sending great expeditions to prospect and mine for it throughout the Sinai Peninsula since at least...and abandoned, one is also sure to find extensive mine dumps sloping steeply down from the shaft or tunnel...prodvced by atmospheric oxidation, can be found. Old mine dumps often reveal a varied assortment of brightly...unusual for a casual visitor to an old gold rush mine to kick up a solid gold, silver, or native copper |  | | Journal (article/letter/editorial) | | aluminum.tends to decreasethe chromium content of chromite, but the high magnesium:ferrousiron ratio tends...actual occurrencein natural deposits. Magmatic chromite,magnetite,and ilmenitehaveusuallybeenconsidered...usedto drawthe wholepicturetogether. Chromite.--The associationof chromite with ultrabasic rocks is well estab-...ratio. High grade(50% Cr20โข) Oral oammunicatlon from Mine Manager. GEOLOGY AND GEOCHEMISTRY OF BASEMETALDEPOSITS...BASEMETALDEPOSITS. 379 orhighchrome-iron ratio(3' 1) chromite hasnotbeen found inthechromite horizonof the Bird |  | | Report (issue) | | column heading "County/Quad" contains second or third order political units -county, province, or quadrangle...IJiCd L'irt' J'M AUNS 1 1 RE USHT AUNS USCO USCA USA* USID AUNS USHT USAZ USID 1VCO USAZ AUNS USHT USHT...St. Vincent Beaverhead Pna Leihi Mynyard Code County/Quad 17,000 120,000 420 25,500 ! r,5,0M t:,000...CNVT CNYT CNYT USNV USA> USA* USHT USPIT Aims U5HA USAZ SK.OR USAK USMA CNVT USA* USNV USAK Cedar Creek...Josephine Sierra Grant Danson Cochise Sierra Code County/Quid Naie m l,iW. 000 110, 760, 0140 4,S^0, |  | | Report (volume) | | Lawrence, Kans.; Edward B. Mathews, State geologist, Baltimore, Md.; R. A. S1nith, State geologist, Lansing,...the generous support of thousands of individual mine operators, distributors, and consurnors, as wdl...manganese ore, chromite, and tungsten ore Rcnred rwt g:n,1_1rn, although the trend for chromite and tungsten...2:3,000 in tho 111.1m.ber of workers at rnines, mills, smelters, etc., making an estimated total of 812...its fotulity rate, mainly because of a series of mine disast;ars. 'Wherens only 1 major explosion occurI'e(l |
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