 | | Report (issue) | | Massachusetts: An Avalonian Terrane By RICHARD GOLDSMITH F. Stratigraphy of the Nashoba Zone, Eastern...Massachusetts: An Enigmatic Terrane By RICHARD GOLDSMITH G. Stratigraphy of the Merrimack Belt, Central...RICHARD GOLDSMITH H. Structural and Metamorphic History of Eastern Massachusetts By RICHARD GOLDSMITH I....Eastern Massachusetts By DAVID R. WONES and RICHARD GOLDSMITH J. Radiometric Ages of Rocks in Massachusetts...State. Finally, were amalgamated and accreted to North America dur- Chapter J tabulates all of the isotopic |  | | Report (volume) | | their Significance to Mineral Prospecting in the Carolina Slate Belt U.S. GEOLOGICAL SURVEY BULLETIN 1562...their Significance to Mineral Prospecting in the Carolina Slate Belt B_v ROBERT G. SCHMIDT U.S. GEOLOGICAL...their significance to mineral prospecting in the Carolina slate belt. (Geological Survey bulletin ; 1562)...aluminous alterations in other regions ---Examples in North America ---------------------------------------...---------------------------------------General geology of the Carolina slate belt ---------------------------------- |  | | Journal (article/letter/editorial) | | generate fines (MTF = smectite + illite/mica + talc + chlorite + kaolinite), and in contrast the yield stresses...386 2 of 15 Cerro Negro Norte (CNN) which is a mine-plant operation located in the Atacama region in...to M6) obtained from different zones of the CNN mine deposit were used in this work. It has to be noted...that these samples were taken directly from the mine and then crushed to 100% −3 mm to be used in the...Hematite Corrensite Smectite Illite/Mica Talc Chlorite Kaolinite Mineralogical Composition (%) MTF |  | | Journal (article/letter/editorial) | | specimens found by the late Arthur Kingsbury (I9O6-68). County references are to the old boundaries, throughout...to varieties or (as with tourmaline) making them group names covering several species. Spencer also estimated...and arsenides near the south shaft at South Terras mine, St. Stephen-in-Brannell, Cornwall. R. J. Davis...baryte, with tennantite in limestone, at Gortdrum mine, Oola, Co. Tipperary, Ireland. BM(NH) specimens...ochreous, at West Turf Pits mine, Grassington Moor, Yorkshire. Also, at Treore mine, St. Teath, Cornwall. A |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...out each year into the mountains and deserts of North America to collect a great variety of materials...glaciers that once covered the northern part of North America. As you can see from the directory of digging...refractive index are more useful. Among single group gem the is fact that they fizz in chrosite ...types, but by far the richest source is the igneous group. IGNEOUS ROCKS This type of rock is formed by |  | | Journal (issue) | | diamond • Large type IIa diamond from Arkansas, USA • Artificial glass imitating Paraíba tourmaline •...• Inclusions in Kenyan rubies from the John Saul mine • Lazurite in Mogok ruby • Snowflakes in Mong Hsu...add GST. Discounts are available for renewals, group subscriptions, GIA alumni, and current GIA students...Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2020 Gemological Institute of America All rights...half maximum at ~976 cm–1 (ν1, related to the PO4 group of monazite) after all annealing steps. The results |  | | Report (volume) | | Bibliography of North American Geology, 1955 By RUTH REECE KING and others G .E 0 L 0 G I C A L S...============ In 1 8 9 285 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1955 By RUTH REECE KING and others1...appeared during 1955 concerning the geology of the North American continent, including Greenland, the West...in foreign journals are cited if they deal with North American localities or are of a general nature,...with foreign areas. Articles by foreign authors on North America are included regardless of place of publication; |  | | Report (issue) | | W. T. Schaller, Afwillite NMNH 95237 Dutoitspan Mine, Kimber¬ ley, South Africa Dutoitspan Ammonioborite...Geological Survey, 1950) Trinity Anemousite County, California. Contributions to Mineral¬ (discredited...Vonsen, 1920) NMNH 106112 from the Hillside Mine, Yavapai County, Ari¬ L. G. Berry, 1947. Composition and...Aluminocopiapite Utah NMNH K. J. Murata, Trinity County, California M. C. Bandy, 1938. Utah. J. M. Axelrod...Mountain, from Mine, Yavapai County, Arizona (L. J. Cabri, 1976) Island Group (F. Haycock, 1927) |  | | Journal (article/letter/editorial) | | Bailey, Arthur C., Jr. Beryl from the Oxford mine, Troup County, Georgia Bailey, Roy A. Volcanism and the...[Resultsof etchingmethsdson crystalsof the mica group] [book review] Barrett, CharlesS. Microstructuralinvestigationof...Physicaland chemical data for crandallite from Alachua County, Florida Boles, James R. Composition,optical properties...Melanophlogitefrom Mount Hamilton, Santa Clara County, California Cooper,W. F. Chargerefinementof a light-atommineral...Allier] [bookreview] DeAngelis;Bernardo A. Factor group analysisof the vibrational spectraof crystals; a |  | | Report (issue) | | mineral are represented, they are listed under the group name. The chemical composition and location or source...413. ACMITE - - Se e Pyroxene Group ACTINOLITE -- Se e Amphibole Group ADAMI TE Zn2(As 04 ) (OH) Loe...See Plagioclase Feldspar Group ALGODONITE Cu3 As Loe.: Ref.: Ahmeek Mine, Michigan, U . S . A. A.S...(1) Pieds des Monts, Quebec, Canada. (2) Amherst County, Virginia, U.S. A. Ref.: Kauffman, A.J. Jr., and...1 3 3 3b 2b 2b 1 1 3 ALMANDITE - - See Garnet Group ALTAI TE Pb Te Loe.: Ref.: Long Lake, Yale, British |  | | Report (volume) | | Bibliography of North American Geology, 1950-1959 PART 2. INDEX VOLUME 3 : A-L GEOLOGICAL SURVEY BULLETIN...BULLETIN 1195 Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S...., 6. T. B., 2. Magmatic vs. metamorphic source North America, western, paleoof ores: Hawley, J. E., 11...evolutionary extinction L. R., 6. factors: Coleman, R. H. North Dakota, petroleum: Laird, Management look at the...Paleotectonic history, western Mineral-dependent economy, North America: Laudon, reserve plan: Love ring, T. S. |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...to list more than fifteen hundred localities in North America where gems can be found. This is the only...amateurs alike had not gone out to every corner of North America, discovered the rich gem resources of the...Colorado; and Professor Jack Hanahan of Belmont, North Carolina, with locations in their respective states...venture every year into the mountains and deserts of North America, they enjoy not only the pleasure of seeking |  | | Journal (article/letter/editorial) | | Dunite of Crustal Origin at the Parker Phlogopite Mine, Notre-Dame-du-Laus, Quebec, Canada Robert F. Martin...The Parker phlogopite mine, located near Notre-Dame-du-Laus, Quebec, 74 km north of Ottawa, is well known...Metasedimentary Belt of the Grenville Province, the Parker mine is exceptional because of the association of forsterite...dunite; polymineralic globules; late oxidation; Parker mine; Notre-Dame-du-Laus; Quebec; Canada 1. Introduction...these. Among all these deposits, the Parker mica mine, located near Notre-Dame-du-Laus, Quebec (46◦ 05 |  | | Book (edition) | | File, 1601 Park Lane. Swarthmore, Pennsylvania, USA. Introduction This volume is the third edition...belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion... Utah. USA. Named for P.H. Abelson. 20.7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson |  | | Report (volume) | | and indexes, particularly the "Bibliographies of North American Geology," covering 1785-1957. These were...for sand and gravel, no single commodity tn this group has a total value of more than $100 million ; no...recently found in the Tenmile district, Summit County. In his booklet, which today would be classed as...feldspar, and mica, occur in some form in every county in the State. Among mineralogists, Colorado is...the world. The tellurium minerals are one such group. Many geologists, mineralogists, and mining engineers |  | | Report (issue) | | 163 169 196-230 19G Feldspars Pyroxene Group Amphibolb Group Not Grouped CHAPTER HYDROUS SILICATES...observed in the gold gravels at Cherokee, Butte County, and this locality, became the most noted one in...short articles on California diamonds. A Amador County: few small stones have been picked up near the...towns of Volcano, Oleta and Fiddleto^vn. Butte County: In 1853 it was observed that diamonds occurred...the gravels at Cherokee Flat, about nine miles north of Oroville. More than three hundred good diamonds |  | | Journal (article/letter/editorial) | | pyroxenoid, amphibole, etc.), sheet silicates (mica, chlorite, etc.), framework silicates, oxides and hydroxides...gives the 333 334 T. J. B. HOLLAND & R. POWELL Group Abbreviation End-member Formula Garnets & olivines...PETROLOGICAL INTEREST 335 Table 1. (Continued) Group Amphibole Other chain silicates Micas Chlorites...phlogopite Al-free chlorite amesite (14A) clinochlore (ordered) daphnite ferrosudoite Mn-chlorite sudoite antigorite...CaAl2Si4Oio(OH)4 336 T. J. B. HOLLAND & R. POWELL Group Abbreviation End-member Formula Oxides bdy |  | | Journal (article/letter/editorial) | | Relations and Metamorphic History of a Clinohumite-Chlorite-Serpentine-Marble from the Western Tauern Area...c l i n o h u m i t e c h o n d r o d i t e , chlorite-serpentine, brucite, a n d b o r o n m i n e r...a t three different g e n e r a t i o n s o f chlorite m i n e r a l s exist (clinochlor, penninite,...rocks, b u t include c l i n o h u m i t e a n d chlorite, due to the presence o f F a n d m i n o r a m...Hornblendegarbenschiefer which occur further to the north of the described locality (see Fig. 1). The age |  | | Book (volume) | | Extracts from a Diary Concerning Mining at the Dunton Mine, Newry, Maine ....................................Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................................Moore Electron Microprobe Analyses for Crandallite-Group Minerals from Maine Pegmatites ...................permanent photographic exhibits in the northeastern USA. The Shaubs have been active in ornithological research...tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California. Most recently, Gene was gratified |  | | Journal (issue) | | ‘Continued on p. 247 Articles The Outlaw mine, Nye County, Nevada ....................................t 1 IONS? M IN Ifff AN ASTEROID NEW GROUP AD The various group ads in the Mineralogical Record provide...Consequently we are initiating in this issue a new type of group advertisement called “ The Museum Directory,” where...Valley Road Watsonville, California 95076 The Outlaw mine has long been known as an occurrence o f rare and...benjaminite, fo r which it is the type locality. The mine has been idle fo r more than 60 years, and because |  | | Report (issue) | | 4, A1 2 O 3 26.8, Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis:...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:...cut east of Reading (probably Birdsboro), Berks County. White, Smith, 1910, 540. silky mass of radiating...42 9.86 4.77 13.60 100.69 2.277 LOCALITY: Berks County: Birdsboro. MESOLITE m Na Al Si3Oio.2H O 2 2 |  | | Report (edition) | | much information on collecting sites in Oxford County. Numerous other collectors of Maine minerals also...visiting those which are still open. The words "mine" and "quarry" are often used interchangeably in...localities. We have followed the convention of using "mine" only for sites that are chiefly underground workings...groups). In such cases, we often give the common group names in parentheses, since they are more easily...accompanied by scale bars graduated in feet and miles. North is toward the top of the page in all cases. The |  | | Journal (issue) | | T T jT I I ) n\ A _L Wayne & Dona Leicht, 875 North Pacific Coast Highway, Laguna Beach, CA 92651 (714)...Alves Mineralogy of the Bennett pegmatite, Oxford County, Maine ..........................................185 by B. M. England Copper roses from the Rose mine, near San Lorenzo, New Mexico ....................fan-shaped group of crystals on white calcite matrix from the Coscuez mine, Muzo, Colombia. This mine is located...located 12 km north, on the other side of the mountain, from the famous Muzo mine (see the article on |  | | Report (issue) | | been found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...the Mojave Desert area and of Death Valley by a group of U.S. Geological Survey workers, with the collaboration...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely...of California, was soon able to assemble a small group of scientists who, in their ability and dedication |  | | Report (issue) | | tribes in the northeast corner of San Bernardino County in pre-historic times. The old workings here were...stone hammers, and called his claim the Stone Hammer mine. This find aroused so much interest that the San...circumstance the location was named the Stone Hammer mine. "The State Slining Bureau reported at about the...or basaltic rock reaching outward from a central group of extinct craters. These flows extend for many...east of Lindsay, Tulare County near mouth of Carrizo Gorge, San Diego County west side of Williams Valley |
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