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| CONNOISSEUR'SCHOICE JOHN RAKOVAN Department of Geology and Environmental Earth Science Miami University...Bristol County, Massachusetts N orth America has produced some of the world’s finest apatite specimens...“Roebling apatite” from the Pulsifer quarry in Auburn, Maine. Formerly in the collection of Col. Washington...Washington A. Roebling, builder of the Brooklyn Bridge, the specimen now resides at the Smithsonian Institution...seen on display in the Janet Annenberg Hooker Hall of Geology, Gems and Minerals. The gemmy, intense purple |
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| ALPHABETICAL INDEX Names of Authors are printed in SMALLCAPITALS, Subjects in lower-case roman, and Localities...mentioned in the reports of the I.M.A. Commission on New Minerals and in the 25th List of new m i n e r a l...determination of feldspars by flame photometry, 143. Absorption spectra, structural interpretation of, 204, 325...evidence for the siting of lithium ions in a riebeckite, 743; The oxidation of Bolivian crocidolite, 791...300. Amphibole formulae, calculation from analyses of doubtful accuracy in regard to H2O+ or F or both |
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| refund guaranteea on return of specimens. Please quote the name and the number of the speclmen(s) required...welcome. We hope that we may be of some service to you, and assure you of our best attention at all times...successful collecting trip in the Atlas Mcuntains region of Morocco, I am able to offer the follOWing specimens...crystal of Vanadinite over a t n in sl,;e free-standing on edge. A fine specimen for the collector of miniatuxes...Barytes crystals - a truly s~ecta cu.lar combination of colours. Specimsn A 3tx2-a ll , £12; Specimen B 2-}xl-~-Il |
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| Paläontologie, Poppelsdorfer Schloss, University of Bonn, 53115 Bonn, Germany b Institut de Minéralogie et Géochimie...Geowissenschaften, University of Tübingen, Keplerstrasse 17, 72074 Tübingen, Germany Received 14 April 2010;...while not essential for the physiologic functions of animals, are ingested and incorporated in ppb concentrations...bones and teeth. Nd isotope compositions of modern bones of animals from isotopically distinct habitats...habitats demonstrate that the 143Nd/144Nd of the apatite can be used as a fingerprint for bedrock geology or |
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| ALPHABETICAL INDEX Names of authors are in capitals, subjects in lower case roman, and localities in...relationships of soluble, suspended and deposited metal in fluvial systems near sources of, 325 Adcumulate...solution among members of the, 982 AFRICA, minor and trace element chemistry of carbonates, apatites and...carbonatites from, 415 Age, of anthophyllite-gedrite from Simiuttat, Nuuk district, southern West Greenland...Aldan Shield, geochronology and mineral chemistry of the potassic alkaline ultramafic Inagli complex, |
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| {hk0} faces striated k [001]; subparallel aggregates of crystals terminated by {111}, {110} yield groups...granite pegmatites. Association: Montebrasite, apatite, augelite, wardite, wavellite, cassiterite. Distribution:...Ehrenfriedersdorf, Saxony, and at Hagendorf, Bavaria, Germany. In the Gunheath china clay pit, St. Austell...Finland. In the USA, in the Hugo mine, 1.5 km south of Keystone, Pennington Co., South Dakota; at the Stewart...from the Silver Coin mine, near Valmy, Iron Point district, Humboldt Co., Nevada. In a pegmatite nearby Broken |
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| be given if specimens are returned within ten days of receipt. Telephone reservations are recommended....matrix showing about 50 or so small needly masses of light green agardite. 60x35x20mm. £45. 2) AGATE....nicely polished surface showing banding in shades of grey. 55x40x20mm max. £8. 3) ANATASE. Virtuous Lady...Lady Mine, Buckland Monachorum, Devon. A small piece of quartz chlorite matrix showing five dark (blue?)...4) ARAGONITE. Hopes Nose, Torquay, Devon. A group of creamy needly xls to 15mm with a little brownish |
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| be given if specimens are returned within ten days of receipt. Telephone reservations are recommended....matrix showing about 50 or so small needly masses of light green agardite. 60x35x20mm. £45. 2) AGATE....nicely polished surface showing banding in shades of grey. 55x40x20mm max. £8. 3) ANATASE. Virtuous Lady...Lady Mine, Buckland Monachorum, Devon. A small piece of quartz chlorite matrix showing five dark (blue?)...4) ARAGONITE. Hopes Nose, Torquay, Devon. A group of creamy needly xls to 15mm with a little brownish |
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| The mineralogy an Iks of Lower Saxony (Germany) has been studi . The first is ofvol c origin and is characterised...smectite with minor corrensite. The second type is of continental origin and is characterised by: signature...and misuse of these widespread clay-rich horizons in the Turonian stratigraphy of Lower Saxony is discussed...discussed. Thin (5-20 cm thick) clay-rich beds are a prominent feature of Turonian chalks throu out uorthwestern...uorthwestern Europe. In Lower Saxony, as m other regions of Germany, they have been subvided into two disti |
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| What's New Dan Weinrich www.danweinrich.com China One of the exciting new finds from China during 1998 would...listed as coming from Hebei Province. Regardless of where they come from they are neat specimens for... Associations include small black micro crystals of manganbabingtonite, quartz, calcite, datolite, and...seeing these in October, I 997, with the first batch of good specimens arriving in March, 1998. To my knowledge...knowledge there has not been a large quantity of good specimens. The ~stals can get large; I have had one |
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| The Malvern Hills Area of Outstanding Natura) Beauty with its highest peakt Worcester Beacon at 1394...1394 feet (pictured on back cover of catalogue) rises dramatically out of the Severn plain and is a geologicallycomplex...geologicallycomplex area. Most aspects of the history and development of Malvern can be traced to geological...for wonderful cur~ a;: toe "Metropolis of the Water Cure". Most of the undeveloped hill land is now owned...protection of geologicalsites whilstkeeping ther :-r,10 the public as well as protecting the wealth of wild |
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| Clays and Clay Minerals, Vol. 45, No. 3, 353-364, 1997. PHOSPHATES IN SOME MISSOURI REFRACTORY CLAYS...Fulton, Missouri 65251 Department of Geological Sciences, University of Missouri-Columbia, Columbia, Missouri...occurring in refractory clays of Missouri and their effect on the refractory degree of the clays. The minerals...Missouri River. In this region, clay constitutes a major part of the Lower Pennsylvanian Cheltenham Formation...argillic residue derived from leaching and dissolution of prePennsylvanian carbonates. The mud accumulated |
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| refund guaranteed on return of specimens. Please quote the name and the number of the specimen(s) required...welcome. We hope that we may be of some service to you, and assure you of our best attention at all times...scattered over Serpentinite. 2txlt". £6. 3. APATITE. Colcerrow Quarry, Luxulyan, Cornwall. Very fine...size from lxl lT - lxlt lT , all show excellent Apatite crYstals, and are taken from an old collection... Grube Sampson, 8'1>. Andreasberg, Harz Mts., Germany. Unusual silvery grey It" botryoidal mass. £~. |
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| Lowe, Truro, Cornwall. UKjourna! & 1ninera!s of mines CONTENTS number14 autumn1994 2 EDITORIAL...MD Freier 8 The UK Journal of Mines 011d Minerals publishes articles of interest to amateur mineralogists...for address, subscriptions, and advertising. DIARY OF EVENTS 9 MINERAL NOTES ------------- 11 -------------...------------- 21 ------------- THE MINERALS of the CHll A CLAY PITS S \Veiss The views and opinions expressed...Journal are not necessarily those of the Editorial Board. Publication of information on a collecting site |
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| no different, but the Keilmann family, organizers of Mineralientage Mi.inchen 2004, took several initiatives...previous show reports, I had been blunt about the habits of smokers - and I made no apologies. I meant every...net In the January 2004 issue of Mineral News I described epimorphs of several minerals after pectolite...growth of pectolite was recently found at Prospect Park, New Jersey. The specimen is made up of a remnant...remnant rind of altered pectolite approximately 1mm_inthickness. The specimen consists of slightly less |
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| COLLECTION OF KAOLIN, CHINA-CLAY • AND • • CHINA-STONE, - • I • IN THE MUSEUM OF PRACTICAL GEOLOGY... ' ' • • LONDON: PRINTED UNDER THE AUTHORITY OF HIS MA,TESTY'S STATIONERY OFFICE, BY DARLING AND...GRAFTON STREET, DUBLIN. From any Agent foi: the sale of Ordnance Survey Maps ; or through any Bookseller...the Countr of .L ondon. 1914. Price Tliree Shillings and Sixpence. ' • • MUSEUM OF PRACTICAL GEOLOGY...publications are obtainable as shewn on the front page of ibis Guide, except where indicated to the contrary |
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| Being an amateur, and having the adventurous spirit of a 12year-old, I collected minerals where there were...specimen of a mineral that I am unable to identify. This sample was taken about 15 miles south of Anniston...had been cut away to make way for a highway. Veins of white and pink calcite (intermixed) were also found...professor of geology at the University of California at Los Angeles. The only other known occurrence of nasonite...Calif. It reads: "In the November-December 1952 issue of ROCKS AND MINERALS under "World News on Mineral |
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| 180 THE PETROLOGY OF THE ST. AUSTELL GRANITE. By T. C. F. HALL, F.G.S. or Hensbarrow granite mass,...T H EareaSt. of,Austell roughly, thirty square miles and is, therefore, the smallest of the five large...granite masses of the West of England, is, nevertheless, perhaps the most interesting on account of an extensive...extensive development of the special modifications which those rocks have experienced. This area has long...long been famed for the variety of peculiar rock-types and interesting minerals which it has yielded. In |
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| it the largest of the Atlantic seaboard states. It is situated at the southern end of the Appalachian...chain of mountains. These ranges extend into the northeast corner where Brasstown Bald, a part of the Nantahala...Piedmont Plain (about 30% of the state), and the Atlantic Coastal Plain. Thus rocks of every geological age...other forests of stately pines on the Piedmont. Beneath the highland forests lie some of the oldest crystalline...crystalline rocks into softer and less resistant formations of the Coastal Plain. This Fall Line extends southwesterly |
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| Blackpool. Hendra, Melador, Restrowrack, and Trelavour clay pits and St. Roche Rock, St. A ustell ; St. Mewan...following Dartmoor localities, p. 1078: Lee Moor clay pit; Locks Cross, Sherberton Common ; Merrivale quarry;...914. B u l g a r i a (137~ArapHa) Iglika, Elhovo district, thaumasite, 1003. R u s s i a (POCCHa) Baranchin...Corsica, priderite, 867. 616. Kajlidongri, Jhabua district, Madhya S p a i n (Espafia) Pradesh, bixbyite...Jumilla, Murcia, jumillite, 364. Kalrangi, Cuttack district, Orissa, Maria Cabeza, Almeria, verite, 364. k~mmererite |
 | Kempe, Ulf, Bombach, Klaus, Matukov, Dmitrij, Schlothauer, Thomas, Hutschenreuter, Jan, Wolf, Dieter, Sergeev, Sergej (2004) Pb/Pb and U/Pb zircon dating of subvolcanic rhyolite as a time marker for Hercynian granite magmatism and Sn mineralisation in the Eibenstock granite, Erzgebirge, Germany: Considering effects of zircon alteration. Mineralium Deposita, 39 (5) 646-669 doi:10.1007/s00126-004-0435-y | Journal (article/letter/editorial) |
| Wolf Æ Sergej Sergeev Pb/Pb and U/Pb zircon dating of subvolcanic rhyolite as a time marker for Hercynian...the Eibenstock granite, Erzgebirge, Germany: Considering effects of zircon alteration Received: 20 October...in the endo- and exocontact of the Eibenstock granite, Erzgebirge, Germany. The same structures which...control the rhyolite emplacement and the location of ore-bearing greisen bodies. Albitisation and greisenisation...changes in chemical and mineralogical composition of both rhyolite and granite wall rock. Comprehensive |
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| 97 CERTAIN JURASSIC (Aalenian-Vesulian) STRATA OF SOUTHERN NORTHAMPTONSHIRE.* By LINSDALL RICHARDSON...SOUTHERN NORTHAMPTONSHIRE •• AALENIAN-VESULIAN OF 98 LOCAL DETAILS. • 102 REFEREXCES TO PREVIOUS...permit-of the deposits (Aalenian-Vesulian) between the Upper Lias and the main mass of limestones of the...with the exception of the Rural District of Potterspury. Portions of the district are represented on...100-101, and fig. 13, page 106. (i) GEOGRAPHICAL EXTENT OF THE AALENIAN-VESULIAN Dzrosrrs.c-Except for very |
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| 34 REPORT OF AN EXCURSION TO THE ST. AUSTELL DISTRICT, CORNWALL. APRIL 16TH TO 18TH, EASTER, 1914. By...order to link up the railway arrangements with those of the North Cornwall Excursion. This plan necessitated...the duties of Excursion Secretary were admirably carried out by Miss Bauer. The main object of the excursion...excursion was the study of the petrology of the St. Austell granite, with special reference to the pneumatolytic...experienced. These changes, common to all the West of England granites, are particularly well developed |
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| that he knew of no place on earth that surpassed Cornwall in the number and variety of its minerals.... Hogg's 'Manual of Mineralogy' (Truro 1825) is subtitled 'in wich [sic] is shown how much Cornwall contributes...contributes to the illustration of the science', although the manual is not exclusively based on Cornish...offer a systematic list of Cornish species, with locations in his 'Catalogue of Minerals'. Garby was followed...years later by Collins' A Handbook to the Mineralogy of Cornwall and Devon' (1871; 1892 with addenda, the |
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| Museum Gems & Minerals reveals the beauty and splendor of the natural world around us. This book is a comprehensive...illustrated guide to 260 examples of gems and minerals from the collection of the Royal Ontario Museum in Toronto...right conditions, geological activity over millions of years can form amazing and sometimes strikingly beautiful...the crystal structure of minerals, as well as illustrations and explanations of many geological concepts...informative introduction to Gems & Minerals explains some of this science, continued on back flap... ye : |
