 | | Journal (article/letter/editorial) | | inclusions of hematite from the Thunder Bay Amethyst mine, collected in 1978. Specimen 14.4 cm wide. All...prepared by William Besse. T he Thunder Bay district in Ontario, Canada, is noted for spectacular amethyst...Ontario localities (principally from the Blue Points mine) has noticeably increased in the market, which has...known as the Thunder Bay Amethyst Mine Panorama and the Blue Points mine, have, in recent years, yielded...Thunder Bay district. The Amethyst Mine Panorama was originally named the Thunder Bay Amethyst mine and will |  | | Report (issue) | | LODE DEPOSITS OF EUEEKA AND VICINITY KANTISMA DISTRICT, ALASKA BY FRANCIS G. WELLS Investigations in...Geologic map of Eureka and vicinity, Kantishna district. _ In pocket 29. Sketch map of lode claims in...product for which at present there is only a small local demand. After careful consideration ten projects...mixed sulphides (the Eureka area in the Kantishna district, Mount Eielson, formerly known as Copper Mountain...VICINITY, KANTISHNA DISTRICT, ALASKA By FRANCIS G. WELLS ABSTRACT The Kantishna mining district is about 90 |  | | Report (volume) | | with the Northern and Midland Counties, South Staffordshire, South Wales, Shropshire and North Staffordshire...Nottinghamshire. Warwickshire, Leicestershire, South Staffordshire and Worcestershire... ,, Vl.-CA.RBONIFE&0us...BEDDED ORES (c.ontinued)-South Wales and Monmouthshire. Introduction . Local Details. Reserves INDEX ...contours in feet below O.D. in the Red Mine and the Bassey Mine... ... . .. facing ,, III.-General Sections... •• 8.-Sections illustrating the Ironstones of South Staffordshire... 9.-Geological Sketch-map of the |  | | Book | | i Maurice Ewing iii Some Basic 'Problems in the Trench-Arc-Back Arc System, Seiya Uyeda 1 Subduction in...Venezuela Basin and the North Slope of the Muertos Trench, John W Ladd, J. Lamar Worzel, and Joel S. Watkins...Hiroo Kanalnori 163 Growth Patterns on the Upper Trench Slope, Daniel E. Karig 175 The Significance of...Landward Vergence and Oblique Structural Trends on Trench Inner Slopes, D. R. Seely 187 Sediment Subduction...on the Origin of Aleutian Magmas, R. W Kay 229 Trench-Volcano Gap Along the Alaska-Aleutian Arc: Facts |  | | Report (issue) | | Tungsten Queen. Plan showing s u r f a c e workingsand local geology as o f September, ; 1939; Tape and compass... __ (4) _.._....___.._..I.._.... to Emerald mine. Geological sketch-plan of p a r t of p r o p e...e c e n t l y been widely used by geologists and mine operators i n t h e . d e t e c t i o n of s c h...Gold Mines, Yellowknife area, N . Consolation Lake Mine, Yellowknifearea, N. W . T. War MetalsResearch...University of B. C . , Vancouver, B. C.* Red Rose Mine, Hazelton, B . C . Bralorne GoldMines Ltd.,Bralorne |
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