 | | Report (issue) | | DESCRIPTIVE MINERALOGY OF PENNSYLVANIA 104 Na 2Al 2 Si3 Oi .2H 2 O; SiO 2 47.4, A1 2 O 3 26.8, Na...Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis: Fe 2 O3 CaO...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses...colorless crystals), Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | Report (issue) | | Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE and ALLEN V...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...----.._-_-_-------_-----_-----------_----West Chester district...-_._.. --__- .. .._.__ Philadelphia...___________ 715 716 716 718 719 720 721 721 722 723 Quarry descriptions.-___._-_-_-_-_-_-_---_-___--______-_...___--___-________--____.__.__ Cardiff "green marble" quarry...._._._-__________ Jarrettsville-Dublin district |  | | Report (edition) | | PENNSYLVANIA STATE LIBRARY OF 0144 00141189 1 v < 2 £ m- c oi; c» tt*s“S S Si! at tss^s isl^j...1 ' s WJ= ~S 5! s „3 &«eq Sjg® . . PENNSYLVANIA 1 .8 ^2»SS 3 d 5-s &s z l|lt« 7* < OF ...GEOLOGY REPORT 1976 33 MINERAL COLLECTING IN PENNSYLVANIA by Alan R. Geyer Robert C. Smith, John H....Graphics by Albert E. VanOlden COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL RESOURCES TOPOGRAPHIC...II Copyrighted 1976 by the Commonwealth of Pennsylvania Quotations from this book may be published if |  | | Journal (article/letter/editorial) | | river this rock was largely quarried. The first quarry opened was irnmediately on the river bank. When...When the inclined plane was abandoned the Pennsylvania Railroad made a curved cut through these rocks extending...from about 30th Street to 34th Street, and a large quarry, or a series of quarries afterwards merged into...that found on Ridley and Crum Creeks in Delaware County, contained segregated masses of coarse orthocl...the Park north of Girard Avenue, and also in a quarry on Girard Avenue about 38th Street, menaccanite |  | | Journal (article/letter/editorial) | | (001) (14.2 A) of jefferisite, Westchester County, Pennsylvania, a chlorite-vermiculite mixture, behaves...interlayer organization of chlorite resembles that of brucite, and the structure is fixed in spacing. The interIayer...of the basal spacing of a vermiculite from Macon County, N.C. (United States National Museum R-4620) are...attributed to the reorganization of the interlayer "brucite," and the changesin basal spacing and intensity...maxima of a vermiculite from Nottingham, Chester County, Pennsylvania(Harvard l\'IuseumNo. 102186)are shown |  | | Journal (article/letter/editorial) | | Dr. Gillson described a trip with Mr. Knabe to Brinton's Bridge, finding chondrodite; and another trip...to Wood's Chrome mine which yielded zaratite, brucite, magnesite, chromite, and picrolite. Mr. Biernbaum...South River, Bedford, North Carolina, and Herkimer County, New York. JOURNAL MINERALOGICAL SOCIDTY OF AMERICA |  | | Report (volume) | | ........................................... Pennsylvania...............................................value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...and Ehrenfeld, Frederick, Minerals of Pennsylvania: Pennsylvania Top. and Geol. Survey Comm. Kept. No...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; |  | | Report (issue) | | tetrahedra and two octahedral layers, similar to brucite, Mg(OH) 2, with one of the octahedral layers bound...the octahedral layer of the mica unit and in the brucite unit. Nor is such differentiation of octahedral...and positive charges on the mica unit and on the brucite layer respectively, and, consequently, the bonding...themselves. This is compensated by the alternating brucite layers, each of which through the substitution...micalike unit, so that this unit and also the brucite layer are neutral, as pointed out by Brindley and |  | | Book (edition) | | sphalerite. 5. Pearly : like pearl. Ex. talc, brucite, stilbite, etc. When united with sub-metallic,... ; haus- ; B. HYDROUS OXIDES. Limonite. Brucite ; gibbsite. Turgite. Diaspore Psilomelane...and other parts of North Wales in Scotland in the county of Wicklow, Ireland ; in Sweden, at Edelfors. In...Traces occur also in Franconia township, Montgomery Co. Pennsylvania. In Canada, gold occurs to the south...in the Maris vein, in Los Angeles Co. ; in the township of Ascot, Canada. ; ; ; ; ; ; PLATINUM. |  | | Book (edition) | | MINERALS, CHESTER. Alphabetically arranged, with their Chemical Composition By Prof. A. H. Chester, Hamilton...sphalerite. 5. Pearly : like pearl. Ex. talc, brucite, stilbite, etc. When united with sub-metallic,...uniaxial crystals and employed it in the case of brucite (ib., 1881, 958). Polarization Instruments. Polariscope...Turgite.—Diaspore liimonite. ; — ; B. : ; — Brucite ; gibbsite. —Psilomelane. ; gothHej inanganite...and other parts of North Wales in Scotland in the county of Wicklow, Ireland ; in Sweden, at Edelfors. In |  | | Book (edition) | | sphalerite. 5. Pearly : like pearl. Ex. talc, brucite, stilbite, etc. When united with sub-metallic,...uniaxial crystals and employed it in the case of brucite (ib., .1881, 958). Polarization Instruments. Polariscope...chromite, . ; ; B. HYDROUS OXIDES. Liinonite. Brucite ; gibbsite. Turgite. Diaspore Psilomelane...and other parts of North Wales in Scotland in the county of Wicklow, Ireland ; in Sweden, at Edelfors. In...also in Franconia township, MontDedham, Mass "Rridgewater, Vermont gomery Co. Pennsylvania. In Canada, gold |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...a Jersey's Limecrest quarry, for instance, is open to a year; the Foote quarry in North Carolina one...or goggles, and safety-toe shoes in an operating quarry or mine. They are prudent precautions against disaster...trespassers or even fenced in some states. Mine and quarry owners are often reluctant to give permission for...physical hazards. Rocks can fall from a shattered quarry wall, a frost-weakened cliff, or an overhanging |  | | Book (edition) | | and Rabun County, Georgia. Between 1900 and 1905 the corundum deposits of Gallatin County, Montana, were...to a small extent. The Corundum Hill mine, Macon County, North Carolina, is about 8 miles northeast of...occur in peridotite. The most important Jackson County deposits are in the extreme northeastern part,...counties, but the Lucas mine at Laurel Creek, Rabun County, is one of the best known corundum mines in the...vicinity of Elk Creek in the central part of Gallatin County, Montant., where the ore c>ccur11 in ayenite!J |  | | Book (edition) | | Tungstates Molybdates Borates Organics Diamond Brucite Mg(OH)2, corundum Al2O3, ruby Al2O3, sapphire Al2O3...λex=532 nm 3+ 3.0 Pryor Mountain, Big Horn County, Mantana, USA 8 Intensity (a.u.) b λex=532 nm 10...Albany County, Wyoming, USA 1.5 0 600 650 700 750 d 15 868 Tie Siding, Albany County, Wyoming...Wyoming, USA 700 750 800 λex=785 nm 874 866 Nd 650 15 λex=780 nm 875 3+ Intensity (a.u.) 600 ...mine, Gillman, Colorado, USA 15 Black Rock, Lawrence County, Arcansas, USA 891 4 10 2 5 0 870 |  | | Report (volume) | | alifornia anada: anadian ' enlmlblatt incinnati county collection colle e lorado congress onue ticut co...P P ....... professional paper Pa . .. ..... Pennsylvania Phila ..... Philadelphia pis ... .... . plates...Med Soc Pa, Tr Medical ocl ty of the tate of Pennsylvania, Tran a ctions. Philadelphia. 14 GEOLOGI...Annual Report. Harri burg. P a G S (2d ), An Rp Pennsylvania, Geologi a l urvey, Second, Annual Report. Harrisburg... Report. Harri burg. P a. Univ, L ab, Contr Pennsylvania, Diversity of, Lab ratory, Contribu lions from |
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