 | | 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... Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; Philadelphia:...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | 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) | | the spectrochemicalmethod for determining lead in zircon increases the usefulnessof the lead-alpha (Larsen)...monazite, SQ-81,from Mountain pass, San Bernardino county, california, which had beenpreviously dated by...ANDALPHAAcrlrlms Alpha activity Pb(ppm) Samplc No Zircon sample, and supplier Spectrochemrcal hetnoo, ...Hybla, Ontario, G. R Tilton Baltimore gneiss,Spring Mills, Pa , G R Tilton Pegmatite, San Gabriel Mts, Calif...Washington, D C. a Sample diluted with 8 parts zircon base (68 per cent zirconia and 32 per cent silica) |  | | Journal (article/letter/editorial) | | (289) 290 F. BASCOM— PIEDMONT DISTRICT OF PENNSYLVANIA Page Igneous rocks.................. ........Geologic history o f the Piedmont district o f Pennsylvania.................................. 322 Résumé...R E L A T I O N S The Piedm ont district of Pennsylvania, forming with a width of 65 miles the southeast...New York, and in New England. The valley of the Delaware is the southeast boundary of this belt. From this...crest, from which the relatively flat slope to the Delaware can be surveyed. Downloaded from https://pubs |  | | Journal (article/letter/editorial) | | announced a series of field trips. The Lachaine Quarry, the McGlashan Mine, the Evans Lou Mine, Bear Lake...recent finds at the 4-H Youth Exposition The Bergen County Min eralogy and Paleontology Society, Paramus...now the United States was in Geor gia! The Cobb County Gem and Mineral Club, Marietta, voted a sum of...connection a working display booth is planned. DELAWARE Metal. Bill is an experienced metal crafts man...discussed the Basic Steps in Silversmithing. The Delaware Mineral Society, New ark, journeyed to Calvert |  | | Report (volume) | | value. Some minerals, such as the copper ores of Pennsylvania, are included in the list not because they occur...Gregory, Sheffield Scientific School, New Haven. Delaware.........Prof. B. L. Miller, Lehigh University...Oregon............Prof. A. J. Collier, Eugene. Pennsylvania.... .Mr. R. R. Hice, Beaver. Prof. Florence...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; |  | | Report (volume) | | ............................ 16 34 42 81 97 Delaware............................................................................................ 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...Oberlin College, Oberlin. Prof. L. G. Westgate, Delaware. Oklahoma____Prof. D. W. Ohern, Norman. Mr. C |  | | Report (volume) | | ................................. Androscoggin County............................................. Auburn......................................... Lincoln County ............................................................-...:.....-................. Oxford County........................;............................................................. Sagadahoc County.. '...... ............................................................................ Hartford County ..... ....................:............ ...... |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville Quarry chalcedony, jasper...jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |  | | Book (volume) | | burstones they needed for grinding grain in their water mills. Other collectable minerals are rare, although quarries...the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE, area |  | | Book (volume) | | burstones they needed for grinding grain in their water mills. Other collectable minerals are rare, although quarries...the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE, area |  | | Report (issue) | | NORTHAMPTON COUNTIES, PENNSYLVANIA Robert C. Smith, II John H. Barnes COMMONWEALTH OF PENNSYLVANIA Tom Corbett...OF BERKS, LEHIGH, AND NORTHAMPTON COUNTIES, PENNSYLVANIA by Robert C. Smith, II, and John H. Barnes...Barnes Bureau of Topographic and Geologic Survey PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES HARRISBURG ...Berks, Lehigh, and Northampton Counties, Pennsylvania: Pennsylvania Geological Survey, 4th ser., Mineral...thorium occurrences in the Reading Prong of Pennsylvania in the 1980s and the publication of this report |  | | Report (issue) | | LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL...ZINC AND LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II PENNSYLVANIA GEOLOGICAL SURVEY FOURTH SERIES...1977 Copyright 1977 by the Commonwealth of Pennsylvania Quotations from this book may be published...published if credit is given to the Pennsylvania Geological Survey COVER ILLUSTRATION: Photograph of 1852 lithograph...STATE BOOK STORE, P. O. BOX 1365 HARRISBURG, PENNSYLVANIA 17125 PREFACE The purpose of this report is |  | | Book (volume) | | references, among them may be mentioned: Vermont, Pennsylvania, North Carolina, Oregon, Kansas, Alabama, Ohio...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Cassiterite, Diaspore, Enstatite, Hypersthene, Zircon, Algodonite and Domeykite, Sphalerite, Niccolite...Mt. Mica Largest crystal from Mt. Mica Eh Towne Quarry 180 Tourmaline Queen Mountain IgI Tourmaline crystal |  | | Book | | Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana...Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee...aphtali). Third row: ligure (possibly jacinth, yellow zircon, or hyacinth, e.g., essonite garnet; an undetermined...listed by county and community, range and distance. Whenever the collector crosses a county line, he will...of the county he is entering posted alongside the highway. By looking up the state and county, the user |  | | Report (issue) | | Silurian stratigraphy of northeastern Aroostook County, Maine 1 . David C. Roy and Ely Mencher Discussion:...Silurian stratigraphy of northeastern Aroostook County, Maine... Louis Pavlides Lower Devonian Seboomook...described by Ludman thins to 2,100 m in Aroostook County, according to Roy and Mencher. Above this, B. A...one of dominantly siliceous schists. In Aroostook County, Maine, Roy and Mencher find that volcanic components...abundance and age of zircon, but the volcanic zircon would be mixed with zircon from detrital sources |  | | Journal (article/letter/editorial) | | funding from The Clay Minerals Society, Chevron USA Inc., and the United States Geological Survey (USGS)...to 46 wt.%. Feldspar minerals, both potassium Zircon (3) Spinel (1) Opal-CT (1) Amphibole (4) Zeolite...TURBULA1 shaker-mixer (Glen Mills Inc., 220 Delawanna Ave, Clifton, New Jersey 07014, USA http://www.glenmills...international significance of the round robin (Table 5). The USA contributed the most registrants, followed by Germany...(Germany) 2. Reiner Dohrmann (Germany) 3. Dennis Eberl (USA) Steve Hillier (Scotland) 2010 1. Mark Raven and |  | | Book | | 11ne 2; ••• Amph1bo1ite--see Bolton, Worcester County M1nera1 Loca11t1es. page 85 ••• 11.8 3~ter cerium...•••••••••••••••••'.' •.••.•••• 2--6 Barn.table County ro •• il Localiti ••••••••••••••••••••••••••••...Localit1e•••••••••••••••••••••••••••• 21 Br1.tol County Mineral Localit1 ••••••••••••••••••••••••••••••...24--25 Dukes County Mineral Loeal1tiea •••••••••••••••••••••••••••••• 26--21 Duk •• County Fo.sil Loeal1tie...Local1t1es •••••••••••••••••••••••••••••• 29--3? Bs.ex County Fo ••1l Localit1e •••••••••••••••••••••••••••••••• |  | | Journal (issue) | | .50 per lb. Medium dark - most popular color In USA$ .04 per carat ... $4.00 per lot Pata de Gallo Agate•...50 to ORDERS MUST INCLUDE A $2.00 fee if In the USA receive our new Fall list of all others including...World's Fair of Gems and Minerals." Host, Clark County Gem Collectore. Las Vegas Convention Center, Las...real money maker at the counter!! GU.IIN COUNTY -COLU~A COUNTY-- CALIFORNIA A REVIEW "Written both for...Supetbty PENNSYLVANIA Members and guests of the Tuscarora Lapidary Society went to the Glen Mills Qua rry |  | | Report (volume) | | ________________________________ 15. Broken trap dike in quarry at Beverly_-__.________..-__-_ """ v. 4 i 48'...detailed study (1921) of the "alkalic" rocks of Essex County.. Much of- the evidence bearing on the petrology...History, gave access to Sears' collection of Essex County rocks. Credit for specific analyses and paleontologic...line. SG482. Plagioclase amphibolite, abandoned quarry north of Wenham Street, Danvers, 500 ft southwest...which makes up 3 to 4 percent of some specimens. Zircon and sphene occur locally; magnetite is ubiquitous |  | | Report (volume) | | General features____________________________ Coosa County _________ ____________________ Randolph County...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__...County_______________________________ 76 Hart County. ___ __ __________________ 77, Lumpkin and Union counti...___________ S3 Pickens County _______-______________________ 83 Rabun County-_____________________________...____________ 86 Troup County ________________________________ 86 Upson County _______________________________ |  | | Report (volume) | | .................................... Worcester County, Mass....................................... Westboro................................... 150 Berkshire County.................................................. 195 Dikes cutting the Quincy granite in Essex County, Mass......... 196 Aplite........................ 204 Nephelite-bearing dike rocks of Worcester County, Mass......... 204 Distribution..................Dikes in and near Worcester County.................... 275 Dikes in Essex County....................... |  | | Book | | selected, fresh samples of Milford Granite and a zircon ^^'Pb/'^^"Pb year"^.) 1.39 x 10" age of 630 m.... 1972, Structural implications of some U-Th-Pb zircon isotopic ages of igneous rocks in eastern Massachusetts:...The Triassic diabases (5) Pennsylvanian and Pennsylvania!! ( ? ) . The evidence for the dating will be...geology and observations in the In an abandoned quarry at the tunnel indicate a large fault. corner of...Still further east, to the west and north of Lower Mills, the folds plunge southwest, unlike most of those |
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