 | | Journal (article/letter/editorial) |
| Oregon; argyrodite (a silver sulphide germanate), Germany, Bolivia. On the other hand, there are many well...crystalline, igneous rocks are exposed at surface (granite, pegmatite, crystalline, schists, quartz or limestone...in Colyn region W. of r. Dniepr. ANDREASBERG, Germany, S E Oberharz mountain range, lead-zinc deposit...hormotone, analcime, desmin. FREIBERG, Saxony, Germany, old famous mineral, classic locality. Native silver...cIausthalite-rare selenium mineral. OBERFAIZ, Bavaria, this is a region with some interesting mineral |
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| Even the common minerals of microcline, bladed albite, and smoky quartz are enhanced by a purple or green... Fluorite, 10 × 7.2 × 5.7 cm, from the Conway Granite, near Red Stone quarry, Conway, Carroll County...at 08:14 13 August 2013 2 Locality Parental Granite Pegmatite Class Mineral associates of significance...USA Pikes Peak Granite NYF Miarolitic topaz, amazonite, phenakite Pikes Peak Granite NYF Miarolitic...Mount White, Chaffee County, CO, USA Mount Antero Granite NYF Miarolitic beryl, phenakite, bertrandite |
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| states it is the variety of the feldspar mineral Albite called "cleavelandite," consisting of aggregates...Arkansas minerals but do have most of it. The regular Albite in crystal aggregates and massive is quite common...Cambridge Ave., Menlo Park, Calif., also sends in an interesting item as follows: "On page 569, Nov-Dec... ROCKS AND MINERALS terial on the beach. No. 3 is an attractive yellow jasper which comes from the ledge...through the Southern States, including Florida, I have an item which seems to be appropriate for the 'World |
 | | Journal (article/letter/editorial) |
| and Fossil Areas In Germany By DR. WERNER LIEBER Dante Str. 50, Heidelberg, Germany In the January-February...to find out if there are any mineral clubs in Germany. Since this number of R&M was sent to the readers...these questions and to give an idea of the present situation here in Germany. The last question of Mr....answer. In Germany exists one club like the R&M Association. Its name is "Vereinigung der Freunde der Mineralogie...the association is Dante-str. 50, Heidelberg, Germany. The club publishes a monthly magazine for collectors |
 | | Report (volume) |
| ______ PABT I. Scientific discussion_______ _ Granite proper______________________ General features____...examples_________________ Fluidal cavities in granite gneiss.________ Fluidal cavities in small dikes...Colors______________________________ 80 Olive-green granite ___________________ 81 Minerals on joint fac... Physical properties _ Textbook references on granite and " black granites " PAI*T II. Economic discussion_...discussion_ General features________~ __ Tests of granite _ Chemical analysis Determination of CaCOs Test |
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| Development and Mines (MNDM) as a public service, on an “as-is” basis. Recommendations and statements of...DEPARTMENT OF MINES BUILDING STONES OF ONTARIO PARTY GRANITE AND GNEISS By D. F. HEWITT INDUSTRIAL MINERAL...IV V Introduction Limestone Marble Sandstone Granite &1 Gneiss Industrial Mineral Report No. 19, paper-bound...acceptable. BUILDING STONES OF ONTARIO PART V - GRANITE AND GNEISS TABLE OF CONTENTS Southern Ontario.... . . . . . . . . . . . . . . . . . Betz Green Granite.. . . . . . . . . . . . . . . . . . . . . . . |
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| granites .............................. Biotite granite .......................................................... ................. Hornblende-augite granite ........................................ 12 Geologic............. Important geologic features at the quarries............................. Double-sheet structure...................................... Orbicular granite........................................................ .................................. The granite railroads .................................... |
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| ..................................... 7 9 9 Granite proper................................................................ Text-book references on granite and black granites.................. Special features...texture and colors............................... Granite discoloration, its causes........................................ Dikelike masses of schist in granite.............:.................... Riebeckite and...minerals on joint faces......................... Granite contacts in relation to sheet and flow structure |
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| Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals |
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| and form of all known species and varieties , with an up - to - date supplement . A Metallic Classification...nature's architecture in the form of a bridge is an established fact, and he who wishes to view it can...proceed over uncomfortable paths amid the rocks of an ancient upheaval, and within four miles of the little... It was the great natural bridge. As they turned an angle of a towering rock the giant arch suddenly... Above, at the top of the arch, are evidences of an active whirlpool, that with gentle but ever active |
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| of the rocks________________.__ __ Granites and granite gneisses of Connecticut, by Herbert E. GregoryName..._________________________ 43 Geologic observations at the quarries, by T. Nelson Dale_______ 45 Microstructure____________________...Plicated gneiss structure_________________________ 47 Granite dikes________________________________ 48 Pegmatite...discussion Continued. Geologic observations at the quarries Continued, Page. Segregations__l_.____ '.____...Nelson Dale_______________ Description of the quarries and their product__________ ____ Method______ |
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| Mineral, der lebhafte Edelstein with the permission of Christian Weise Verlag, Munich, Germany German...German Edition © Christian Weise Verlag, Munich, Germany ISBN 3-921656-42-7 Printed in the United States...2.52 carats) from Katlang, Pakistan, adorn the upper wings, with a matched pair of pink Russian topazes...forms desirable collector specimens. The mineral is an aluminum fluorosilicate with the composition Al2SiOiF...the Bergakademie (Mining Academy) in Freiberg, Germany. This box belonged to and is signed by Hans von |
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| crusts. A couple of photographs of the mine provided an interesting backdrop. Simon Harrison produced a stunning...edsomeof the world'sfinestspecimensof fluoritein an unmatched rangeof colours. Above. Pale ice blue fluorite...than tw?thousand mineral specimens, together with an extensive collection of local fossils and archaeological...It forms part of the Lake District Natural History Gallery, which gives an excellent introduction to...Mines & M1ncr.1lsNo. 26 -4- MINERALS IN THE GRANITE PEGMATITES AT CHYWOON QUARRY, CORNWALL David |
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| Maximilian Glas, Starnberg, Germany Printer Mediahaus Biering, Munich, Germany English Edition © 2005 by... extraLapis No. 20: Inset Elba Die Urlaubsinsel der Mineralogie Photo Credits Cover: Elbaite 5.4 cm...Weise Verlag, Munich, Germany German Edition © Christian Weise Verlag, Munich, Germany ISBN 3-921656-57-5...3-921656-57-5 Printed in Germany The Italian Island of ----- A Mineralogical Jewel in the Tuscan Archipelago... The Italian Island of Elba Table of Contents Page 4 An Island Steeped in History Federico Pezzotta Page |
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| Scotland (Fig. 2) .. 4 PART I. CRUSHED STONE QUARRIES .• PART II. GRAVEL PITS PART III. SLAG WORKS...INDEX OF OWNERS 82 •• ALPHABETICAL I NDEX OF QUARRIES, GRAVEL P I TS AND SLAG WORKS PART V I . 7 ...Norite Peridotite Picrite Serpentine GRANITE GROUP Gneiss Granite Granodiorite Granulite Pegmatite Quartz-diorite...and the Wash, is lacking in" solid " roadstone quarries, the only exceptions being the workings on the...age, collectively known as the Whin Sill, provides an important source of roadstone along a belt crossing |
 | | Journal (article/letter/editorial) |
| of visiting granite-quarries, or who has had frequent opportunities of examining granite, either in a...less angular. In the first case the patch resembles an enclosed l~ebble, while in the second it often presents...almost insensible gradations into the enclosing granite. They are usually finer in grain than the granites...similar in all respects to those of the enclosing granite, excepting that in the majority of cases theirangles...the parts in granite is extremely various, each constituent mineral sometimes exceeding an inch in dimensions |
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| Vanadinite on siderite, 4.6 cm, from Taouz, Tafilalt district near Erfoud, Morocco. Fabre Minerals specimen...the famous Bou Azzer, Ouarzazate cobalt-mining district, and Jordi has six of these specimens, 6.4 to...four miniatures now visible on Jordi’s site, “from an exceptional find in 2010” in the Bouismas mine, show...new locality in Malawi called Mount Mulanje, a granite inselberg in the southern part of the little country...me at that time that the Mount Mulanje deposit is an 6 ============================================================ |
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| PETROGRAPHICAL CLASSIFICATION 1 Crushed stone quarries 1 Gravel pits 2 Slag works 3 GEOLOGICAL...alphabetical list. Within each county the crushed rock quarries, gravel pits and slagworks are listed separately...classJ.fication of rock (quarries only) Colour or any other information (quarries and pits) Where any of...Norite Peridotite Picrite Serpentine Granite group Gneiss Granite Granodiorite Granulite Pegmatite Quartz-diorite...sections of the list dealing with crushed stone quarries: (B) Basalt group (L) Limestone group (D) Gabbro |
 | | Journal (article/letter/editorial) |
| localities in Europe, with more than forty active granite quarries that yield numerous pockets every year (Korber...every few years. Although the Strzegom region is an area of high mining activity, it is known to most...the Strzegom granites, with the most common being albite, microcline, quartz, stilbite, chabazite, chlorite...of Strzegom area (approximate area of occurring granite intrusion) with Żółkiewka I quarry noted. map...the Strzegom quarries. Spirifer collection. binations such as smoky quartz with white albite, creamcolored |
 | | Journal (article/letter/editorial) |
| donated 3 interesting minerals from the Castle Dome District of Yuma Co., Ariz. The specimens are fluorite...They were very much shaped inside like the inside of an old fashioned iron cooking pot. In other words, a...feet, as I remember. Too, they were very close to an off-set of about eight inches, and on the down side...Hampton. A few of the octahedral crystals measure % of an inch on a side. The locality is again being worked...marl near Delaware City, New Castle Co., Del. DISTRICT OF COLUMBIA—The following notes, dated Dec. 25 |
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| Hilltop sites last year sold at around $600,000 an acre for office-park development, according to professional...the cheapest land, on back roads, costs $200,000 an acre. But the value of this land now turns out to...Hills Tennis Club. To a geologist, Gleba explained in an interview, rust on rock means iron inside. Iron usually...beterence &roll which the inforllation i. dran,e An t ...ple would be (26(42 43'33",70 §3'53")406,aa...overla1a by fine brewn and gray sands. outcrop in an undulatiag layer for aeveral hundred f ..t ••• The |
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| miles a little south of east of Calera, Ala., is an outcrop of marble which is attracting some attention...for 50 feet along the side of the ravine. Below is an approximate section showing the stratigraphic relations...The variegated layers appear to prevail in the upper portion, the gray layers below. The rock is traversed...considerable body of marble could be obtained in an open-cut quarry, but ultimately the rock would have...NELSON DALE. INTRODUCTION. The granites and granite quarries of Milford, Quincy, Rockport, and Becket, |
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| THE MINERALOCICAL RECORD.._, COVER: ELBAITE with albite, lepidolite and quartz, 4.5 cm, a historic specimen...May 5, 1933. Limousin is a rural area with many quarries and mines rich in minerals, such as Chanteloube...discovered, Pierre also visited the Hagendorf quarry in Bavaria, rich in rare phosphates, the Mezica mines in Slovenia...for their sulfides. After his marriage to Nelly, an Armenian born in Iran, Pierre went to that country...The inauguration took place in early 1971. It was an immediate and unexpected international success. However |
 | | Report (issue) |
| mapping in the State is shown. I have also given an account of the efforts of the New Products Committee...Visits to many mineral localities have been made, an unusually large correspondence has been carried on...among the States of the Union in the value of her granite and marble production but, in 1939, she yielded...great deal of limestone and lime, and will soon be an iniportant producer of China clay of which she has...economic importance and so have not been discussed. An account is given of the New Products Committee, of |
 | | Report (volume) |
| .................................. CHAPTER I. GRANITE IN GENERAL .......................................................... 1.......... Varieties of granite.............................................................................. Varieties of the granite ........................................... Mineral................................................ Granite............................................................................ 51 Descriptions of quarries................................... 51 Baltimore |
