 | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Journal (issue) | | CONTENTS Page Feature Articles: The Coolgardie pegmatite field, Western Australia Mark I. Jacobson ......minerals associated with ironstones in the Olary region, South Australia P.M. Ashley, B.G. Lottermoser...90. Vol 3. No 2, December 1997 'l{ptes from the, 'Editor INDEX The Index to volume 1 & 2 is inserted...volumes, so the next one will appear with Volume 5(1). I would like to thank Judy Rowe for her excellent...rockhounds.com/leregne. BACK ISSUES & REPRINT OF ISSUE No.1. Due to popular demand the first issue of AJM has |  | Jolliff, B.L., Papike, J.J., Shearer, C.K., Shimizu, N. (1989) Inter- and intra-crystal REE variations in apatite from the Bob Ingersoll pegmatite, Black Hills, South Dakota. Geochimica et Cosmochimica Acta, 53 (2) 429-441 doi:10.1016/0016-7037(89)90394-3 | Journal (article/letter/editorial) | | variations in apatite from the Bob Ingersoll pegmatite, Black Hills, South Dakota B. L. JOLL1FF*, J....apatite crystals from an internally zoned granitic pegmatite enriched in Li, B, Be, F, Nb, Ta, Sn and U with...filtering. An apatite specimen from the Tin Mountain pegmatite, analyzed previously by isotope dilution...and Er. Apatite samples from the Bob Ingersoll pegmatite show a large range of REE patterns and concentrations...concentrations in apatite samples from the different pegmatite zones indicate a large variation in outer zones |  | | Journal (article/letter/editorial) | | progressive fractionation of single injections of pegmatite magmas separated in time and space.The injections...rock, except in one case where a soda-Iithia pegmatite magma was injected along the foot-rvall schist...schist contact of an earlier potash type of pegmatite. There is no evidence to indicate that any of the magmas...solutions. A later sodalithia pegmatite in contact with an earlier potash pegmatite did not replace any visible...amount of residual rvater and other volatiles u,hich no doubt are liberated as highly heated vapors or liquids |  | | Report (issue) | | Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...______________________________________ _ Location of pegmatite districts ___________________ _ Previous work...Acknowledgments ______________________________ _ History of pegmatite mining inN ew England _______ _ Mica mining _...deposits _______________________ _ Geology of the pegmatite districts of Maine __ :. . _____ _ Metamorphic...________________________________ _ Geology of the pegmatite districts of New Hampshire_ Rock units ______ |  | Novák, Milan, Čopjaková, Renata, Dosbaba, Marek, Galiová, Michaela VAŠINOVÁ, Všianský, Dalibor, Staněk, Josef (2015) Two Paragenetic Types of Cookeite From the Dolní Bory-Hatě Pegmatites, Moldanubian Zone, Czech Republic: Proximal and Distal Alteration Products of Li-Bearing Sekaninaite. The Canadian Mineralogist, 53 (6) 1035-1048 doi:10.3749/canmin.1400090 | Journal (article/letter/editorial) | | tourmaline, albite, nontronite, and chlorite in pegmatite No. 1 (proximal cookeite type), and in pockets lined...quartz in the Oldřich pegmatite (distal cookeite type), Dolní Bory-Hatě, Bory pegmatite district, Moldanubian... Electron microprobe data of cookeite from the No. 1 and Oldřich pegmatites yielded very similar results:...analysis— Li, Oldřich) of cookeite from both pegmatite dikes yielded an average of 2.22 wt.% Li2O (0...low Be p16 ppm and p1.2 ppm for pegmatite No. 1 and the Oldřich pegmatite, respectively. Strong hydrothermal |  | | Report (issue) | | _________________________ _ Cut No. 2 ________________________ _ Cut No.6 ________________________ _ Bureau...____ _ Reserves ______________________________ _ 1 1 1 1 2 2 3 5 6 8 8. 8 10 10 10 10 10 11 11 11 11 12..._________________________ _ Cut No. L __________ - ______ -- ____ _ Cut No.2 ________________________ _..._ Underground workings _____________ _ Cut No. 3 ____________ . : ___________ _ Reserves ______________________________...Economic possibilities __________________ _ Maxine No.2 mine ____ _: ___________________ _ McCornack property |
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