 | | Book |
| for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |
 | | Book (edition) |
| groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |
 | | Journal (article/letter/editorial) |
| to 2 m thick, lie in fresh dunite and brown serpentinite. Most magnesite veins in dunite are unbranched...minerals in the veins include magnesite,dolomite, chalcedony,quartz and calcite, depositedin that order....three The collectedsampleswere analyzedby use of an by opticalmicroscopic major cryptocrystalline ma...ophiolitecomplexes of Greece;the othertwo are examination,and by an electronmicroprobesimulthe depositsof Gerakini,locateda...fracturesalsogovernedthe chemicalcomanalysisof by MagnominA.G., an associate of theAustrianfirm positionof the ore. |
 | | Book |
| to assist you in further research. Everyone with an interest in rocks—mineralogists, petrologists, general...and lapidaries—will find the Dictionary of Rocks an indispensable and information-rich reference source...In addition to a concise definition for each term, an attempt also has been made to indicate the derivation...modifying term and not under the terms rock or stone. An effort has been made to determine the position of...prefaced the assumption by using the word possibly. An effort has also been made to determine the person |
 | | Report (edition) |
| microscope by D.M. Lapham of a thin slice of serpentinite from Lancaster County showing olivine (blue-green...the hobby of mineral collecting has been growing at an accelerated pace. To keep up with the demand for...County, the Stillwell quarry in Lancaster County, and the Medusa Cement Company quarry in York County, are...Zircon Crystal 50 Diagramatic Sketch of Brinton Quarry Pegmatite 53 Geologic Cross-Section of West ...84 of Deweylite after Dolomite, Ceclar Hill Quarry 89 _ Limonite Pseudomorphs from Chestnut Hill |
 | | Report (edition) |
| Crystal . . . . . . .. Diagra1natic Sketch of Brinton Quarry Pegmatite Graphic Granite Geologic Cross-Section...Pseudomorphs of Deweylite after Aragonite. Cedar Hill Quarry . . . . . . . Calcite Crystal Forms "Picrolite"...years, mineral collec'ting has become a hobby for an increasingly large number of people. The Pennsylvania...good collecting localities. We are not attempting an exhaustive treat1nent of Pennsylvania's mineral occurrences...permission from the owners of the land, or from the quarry and mine operators, before entering to collect |
 | | Journal (issue) |
| ....126 by P. J. Dunn McGuinnessite from a serpentinite body in Maryland ......................127 ...project they were curious as to whether there would be an American market for such a book, even though it would...museums in the U.S. She agreed that an English edition would be an exciting and valuable thing to have...would be masked out and the presses kept rolling. An English translation would be prepared at the British...Walter Goodwin Swart, oper ating out of Denver. Swart, an experienced and respected mininj engineer, spent |
 | Boschi, C., Dini, A., Dallai, L., Ruggieri, G., Gianelli, G. (2009) Enhanced CO2-mineral sequestration by cyclic hydraulic fracturing and Si-rich fluid infiltration into serpentinites at Malentrata (Tuscany, Italy) Chemical Geology, 265 (1) 209-226 doi:10.1016/j.chemgeo.2009.03.016 | Journal (article/letter/editorial) |
| Malentrata (Tuscany, Italy) were derived from serpentinite silicification– carbonation of the Ligurian ophiolite...serpentine, olivine) at temperatures below 200 °C is an exothermal process, involving incorporation of carbon...of the protolith. The pervasive alteration of serpentinite was accompanied by the formation of a network...brecciated magnesite vein infill, and iii) late quartz, chalcedony, and rare opal in the cavities. The mineral assemblage...discontinuities. This two-steps reaction (dissolution of serpentinite followed by carbonate precipitation outside |
 | | Journal (issue) |
| room temperature with the green line (514.5 nm) of an Ar-ion laser as excitation. In order to obtain comparable...Raman shift (cm-' ) Fioure 10 : Raman snecirum of an oran{Te freshwater cultured nearl turned black bu...at 1571,1594 and 2918 cm 4 . The Raman spectrum of an irradiated dark-coloured cultured pearl will only... A tourmaline-quartz combination from Brazil has an iridescent chatoyancy Grey orthoclase moonstone from...Sunstone from Russia has a strong cat's-eye caused by an albite-oligoclase orthoclase perthite. Four-rayed |
 | | Report (volume) |
| Serpentinite and Rodingite in the Hunting Hill Quarry, Montgomery County, Maryland By DAVID M. LARRABEE...BULLETIN 1283 Description of rocks exposed in the quarry near the center of the Hunting Hill ultramafite...showing distribution of rocks in the Hunting Hill serpentinite pluton, Montgomery County, Md ____ In pocket...pocket 2. Geologic map of the Hunting Hill serpentinite quarry __ In pocket 1. Index map showing location...location of the Hunting Hill serpentinite pluton, Montgomery County, Md______________ 3 2. Photograph of the |
 | | Book |
| in the 16th century, were described as "Peruvian". An undated necklace with green emerald (?) spheres with...larger bead is 12 mm, and it is 6 mm high. Muscovite An ancient animal sculpture was studied by the author...very unusual (Hyrsl, 201 O). Obsidian Obsidian is an amorphous volcanic glass, which is very common especially...spondylus beads are known from finds in Sipán, and an older one from the Moche period is exhibited in the...Abra (or El Abra) copper deposit, which is even now an important source of copper. El Abra is situated 40 |
 | | Report (Issue volume) |
| main groups. In general, the host rock age provides an older limit for the age of ore, but the younger limit...unmetamorphosed Paleozoic rocks. For most of these deposits, an age younger than Paleozoic has not been established...to establish for some within the Triassic group. An unclassified group of five deposit types is not assigned...mine and the chromite deposits of the State Line district follow at $5-7 million. The Phoenixville type...23 24 25 26 27 28 29 30 Bonneaughtown Teeter's quarry Gettysburg Hunterstown Near Heidlcrsburg Center |
 | | Journal (article/letter/editorial) |
| by Lake Buchanan in 1938. The Terlingua mining district is noted for its rare mercury minerals. Mining...(Zeitner, 1972). Rendham, E and N of Rendham along an escarpment, limestone over red shales of the Permian...Temple, 6 miles W of Temple in abandoned limestone quarry; marcasite* (spear-point crystals; groups up to...cretions) (Schleh, 1967). Blanco County Coal Creek Serpentinite ( = Gould Davis Ranch), N W Austin County Raccoon...Minerals quarry), at Damon on Route 36, prominent hill, shallow piercement salt dome, open-pit quarry on N |
 | | Book |
| reference shelf and for work in the field this will prove an indispensable book. 306 colour photographs, 26 black...such figures should only be considered as indicating an order of magnitude. ISBN 0 7188 2011 8 Illustrations...Min¬ erals are not dealt with in isolation but as an integral part of the rocks in which they are formed...or more metals. Since the economic importance of an ore, and therefore its working, depends on conditions...on the surface. Others crystallize directly out of an aqueous solution or with the assistance of organisms |
 | | Report (edition) |
| “old” Lime Bluff quarry, Muncy; right fibrous : tremolite, C. K. Williams quarry, Easton: bottom: calcite...oriented coatings of goethite, “old” Lime Bluff quarry, Muncy, (courtesy of Delbert L. Oswald) ADDITIONAL... DEDICATION feHB DAVIS M. LAPHAM (1931-1974) An outstanding mineralogist and a wonderful friend...in 1959 and of succeeding revisions and maintained an active file of new localities, minerals, and corrections...edition of Mineral Collecting Cedar Hill in quarry where Dave had done IV much of his work PREFACE |
 | | Book |
| TIN DEPOSITS 12. H.K. GUPTA GEOTHERMAL RESOURCES An Energy Alternative 13. C. RM. BUTT and R E. SMITH...Institute in Leningrad Pavel Mikhailovich Tatarinov 5 An aura of adventure and romanoe has grown up about...and energy by the Australian aborigines, from whom an idea of the technological knowledge and cultural...Industrial minerals will be only of temporary validity· An optimal classification, however, should re* speet...employed in the smelting of metals· Salt has been an indispensable component of food since time immemorial· |
 | | Journal (issue) |
| Record Museum of Art Many collectors these days have an interest in collectible mineral art and also in mining...collections. Obviously this is a big project and it will be an ongoing one for us for the foreseeable future. The...good one, let us know and we will work to obtain an image to post. We especially need contacts in European...and MOLLER, W. P. (2005) The Sulfur Hole, Calico District, San Bernardino County, California. Axis, volume...of agricultural sulfur. The deposit has produced an attractive suite of colorful, well-crystallized, |
 | | Journal (article/letter/editorial) |
| are summarizedand are consideredtypical of the serpentinite-type mercury sulfidedepositsand probablygeneticallysimilar...representativeexampleof serpentinite-type mercury sulfidedeposits,it is shownthat the reaction: serpentinite+ associatedthermal...chemicalcontrol of the mercury sulfidedepositionin such an environment is the contemporaneous reaction between...mineralogicaland petrologicalcharacteristics of the serpentinite-type depositsappearto TH•S paper presentssomeconclusions...to ore deposiof geologically and geotion in serpentinite-type • mercury sulfidedeposits. regardingthe |
 | | Journal (issue) |
| emmo 0 Volume 28 N o . 5 January 2003 Chrome chalcedony Sky-blue glass / Brazilian imperial totiaz...several others in the range 1390 to 1660 cm -1 provide an additional aid to identification. The observed intergrowths...were recorded on small areas ( 1 x 1 microns) using an accelerating voltage of 15kV and beam current of...Quantitative and semiquantitative analyses, with an accuracy of ± 2 and ± 10 wt.% respectively, were...micro-Raman system equipped with an Ar-ion laser (514.5 nm) and attached to an Olympus microscope was used |
 | | Report (edition) |
| ................................ 120 Opaline chalcedony ................................................................ 121 Chapter 14 Chalcedony group 123 Chalcedony ............................................................... 123 Formation of chalcedony................................................................................. 127 Chrome chalcedony ................................................................................ 129 Chrome chalcedony in Western Australia ....................... |
 | | Catalog/List |
| afterwards. I can take phone orders but prefer you to have an order number ready. I Individual Customers, please...mass of black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2£l 11 felspar group____________...£3 7 Pure black mica plate new Analysis , Saga Quarry, Tvedalen near ANNITE Mica__________ paper available...Chrysotile, pale grey-green Ixl £1 County Bridge Quarry,Lizard Mg Fe SiO_______ massive. _________ .Cornwall |
 | | Journal (issue) |
| Died, Joe Jochen Nagel, 52, of injuries received in an auto accident on December 5, 2001. He is survived...chemical supply houses. That first BC Fed Show was an inspiration. Joe, always able to recognize and seize...”summer student” as he got his mineralogy degrees to an associate in the gift shop after receiving his museology...organized a “Friends of the Museum” group which met for an evening’s lecture almost monthly during the winters...technology, he programmed selections with music to produce an unforgettable two-hour session experienced by thousands |
 | | Report (edition) |
| second edition of Gemstones of Western Australia is an updated version published in response to public demand...additional occurrences of emerald, opal, agate, chalcedony, organic gems, tiger eye jasper, aragonite, cordierite................................... 124 Opaline chalcedony................................................................. 124 Chapter 11 Chalcedony group 125 Chalcedony occurrence and properties...................................... 125 Formation of chalcedony............................................. |
 | | Report (issue) |
| h�p://wsgsweb.uwyo.edu People with disabilities who require an alternative form of communication in order to use...measures about 2 1/2 inches across and includes some chalcedony nodules. Several large nuggets have been found...years was the author’s 1981 discovery of an entire gold district west of Casper in the Ra�lesnake Hills...companies and private consultants explored the district and located several other gold anomalies that...Generalized geologic map of the Rattlesnake Hills gold district (from Hausel, 1996b). 35 Tl Tph Asb Tph Tst |
 | | Journal (article/letter/editorial) |
| complexes containing fresh dunite, harzburgite and serpentinite. Magnesite in ultramafic rocks occurs either...Centimeter-scale chalcedony bands are observed within magnesite veins. Some serpentinite fragments and platelets...geothermal waters between 65 – 80 ˚C converted serpentinite to magnesite and opal-CT in the highly fractured...2000). Magnesite commonly occurs with chalcedony, talc, serpentinite and anthophyllite in veins in ultramafic...imbricated and strongly folded tectonic zones in serpentinite bodies (Zachmann & Johannes 1989). The genesis |
