 | | Journal (issue) | | 2 ¾ x 1 ½ . . . . . . . . • . • 1.SO 11 I I11t, New Mexico. Pure mass. 3 x 2 ½ . . . . . . . . • . .... • . . . . . . . 1.00 D 1hr •~ S. W . Africa. Group of mammoth xis. 2¾ x 2 . . . . . . . . . . . 5.00...x 2 x 1 ¾ . . . . . . . . . . 5.00 Alie liu, New South Wales. Finely xld. on rock. 4 x 2 ½ . . . . •... . . . . • . • . . . . . 3.00 AN■ ,hllw, S.W . Africa. W ith sonie Quartz. 3 ½ x 2 x 2 . . . . . . ....Se\ieral superb En"llsh Fluorites, ltOt "run of the mine" specimens, ranal"I price from $7.50 to $25.00. |  | | Book (edition) | | Geology ,rf Second Edition JOHN WILEY § SONS, Inc. New York * London 1942, 1950 Copyright, BY Alan...requiring more scientific methods of exploration for new deposits to replace those being depleted. It is hoped...the former one, magmatic deposits are treated in new detail, as are oxidation and supergene enrichment...consolidated under hydrothermal processes, with a new preliminary discussion of hydrothermal processes...subject matter up to date. The war years brought many new mineral develop¬ ments and changes, and these have |  | | Book | | Namibia rank amongst the top five mining countries in Africa. both in terms of production and reserves. In this...century when the Gennan Colonial Office in South West Africa appointed Government Geologists to carry out...wait until 1926, when the Geological Survey of South Africa opened a branch office under the direction of...Resource Series reports into a reference volume took on new proportions. In meeting this deadline with the limited...tirneous with regard to the stimulation of both new exploration and the reinvestigation of previously |  | | Book (edition) | | ditor, Econom ic Geology JOHN WILEY i SONS, INC., NEW YORK London: CHAPMAN & HALL, Limited COPYRJGHT...in many lands. Magmatic deposits are treated in new detail as are oxidation and supergene enrichment...per1nission for use of illustrations. YALE UNIVERSITY , NEw HAVEN, CoNN. Sept. 7, 1942. CONTE TS CHAPTER PAGE...given rise to voyages of discovery and settlement of new lands; their o,vnership has resulted in commercial...maintain ore reserves, and in the proper location of mine workings t o avoid caving ground. In the future |  | | Book (edition) | | • t --•- """"" ' The Lornex copper-molybdenum mine and plant, Highland Valley, British Columbia. (By...other specific texts. Several chapters are entirely new. including Chapter 1 on Mineral Economics and Exploration...include. More than half of the tables and figures are new. Graphs and tables pertaining to changing prices...measurements have been retained in specific cases such as mine levels when measured in feet, values of gold and...given rise to voyages of discovery and settlement of new lands. Their ownership has resulted in industrial |  | | Report (volume) | | intrusives are mined; similar occurrences are known in New York, California, and Montana. Anthophyllite associated...AN'D CANADA 819 the Cochrane district .ot Ontario, and the Cassiar district of northwestern British Columbia...in southern Africa, .especiaJly those in Rhodesi~, Swaziland, and Union of South Africa, produce about...Butler A very. Most of the references concerning New England and Canada were annotated by Alfred H. Chidester...generally omitted. If several articles on one district, occurrence, or subject exist, only the more comprehensive |  | | Book (edition) | | OF OF SOUTH AFRICA MINES GEOLOGICAL SURVEY MINERAL RESOURCES OF REPUBLIC OF THE SOUTH AFRICA...mineral resources are extensible in the sense that new deposits can be discovered by exploration, to recover...Second World War, and partly as a result of it, South Africa experienced vast industrial expansion. This...official ‘handbook on the mineral resources of South Africa, it has become necessary to revise, or rather...great diversity and magnitude of South African mineral deposits and local mining operations, the Economic |  | | Book | | University, Prague ELSEVIER Amsterdam - Oxford - New York - Tokyo 1984 Scientific Editor Doc. RNDr...Science Publishing Company, Inc. 52 Vanderbilt Avenue New York, N. Y. 10017, U. S. A. for the East European...human environment often demands new non-metallic materials or leads to new applications for those already...particularly in the 19th and 20th centuries, when new materials found applications in agriculture, chemistry...revolution is associated with 1· the application of new Industrial raw materials (e.g., highly refractory |  | | Book (edition) | | Skcund Ki>itiok McGRAW-IIILL book company, Inc. NEW YORK TORONTO 1951 LONDON t/'' QLLRnD IQBQL...micronizer, nor the efficient wet centrifuge. These new working tools have changed completely our ideas...the geographical picture of production. Entirely new uses for industrial minerals hav'e been developed...hddspar in glass. The industrial development of new areas of the country, such as the Gulf Coast, Calif...for the original author to undertake alone. This new edition is due largely to the wllingness of the coauthor |  | | Report (volume) | | Dept of Earth Sciences University of New Hampshire Durham, New Hampshire 03824 D.M. Burt Dept of Geology...Dept of Earth Sciences Dartmouth College Hanover, New Hampshire 03755 S.M. Savin Seattle, Washington...of Geological Sciences State University of New York ™ New York 14226 . Guggenheim Dept of Geology ...USSR; South Africa MIXED HYDROTHERMAL AND RESIDUAL KAOLIN DEPOSITS 78 80 80 Comwall, England New Zealand...studies TEXTURES IN SERPENTINITES CASSIAR ASBESTOS MINE Serpentine textures and their distribution TRANSITIONS |
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