 | | Journal (article/letter/editorial) | | environment, Barton Peninsula, King George Island, Antarctica DEBBIE C. ARMSTRONG* British Antarctic Survey...Volcanic-hosted advanced argillie alteration on Barton Peninsula comprises an assemblage of chalcedonic silica...F)IsC1,are reported at this locality, and in Antarctica, for the first time. The WNWstriking, 1 km-long...alteration, acid sulphate-type epithermal system, Antarctica. Introduction VOLCANIC- and plutonic-related...protoPacific and Pacific oceanic lithosphere beneath the Antarctic plate for most of the Mesozoic and Cenozoic (Thomson |  | | Journal (article/letter/editorial) | | prep.), but The "quartz-pyrite"rocks of the South Shetland their broad distributionis shownin Figure 1...surroundingJurassic(?) lavasis (Ferguson, 1921; Haxvkes, 1961; Barton, 1964) intimately associatedwith the genesisof...mineralizedbrec- posits. cia in pre-Tertiary faults (Barton, 1963). During the 1975-76 summer seasonthese occurMineralogy...most of the pyrite-bearing rocks of the South Shetland Islands are not of this type. Rather than veins...the quartz-pyrite rocks on George Island. Inset shows the positionof the South ShetlandIslands. Km • |  | | Report (issue) | | CIRCULAR 909 Petroleum and Mineral Resources of Antarctica Work done in cooperation with the National Science...Foundation Petroleum and Mineral Resources of Antarctica By John C. Behrendt, Editor GEOLOGICAL SURVEY...Branch of Distribution, U.S. Geological Survey, 604 South Pickett Street, Alexandria, VA 22304 CONTENTS...resources in Antarctica?, by John C. Behrendt . . . . . . Mineral occurrences of Antarctica, by Peter D...· · · · · · · · · · · The Dufek Intrusion of Antarctica and a survey of its minor metals and possible |  | | Book | | Resources Potential of Antarctica SHL WITHDRAWN Physical Sciences ANTARCTIC OCEANOLOGY Joseph L. Reid...Reid, Editor ANTARCTIC OCEANOLOGY II: THE AUSTRALIAN- NEW ZEALAND SECTOR Dennis E. Hayes, Editor...Editor ANTARCTIC SNOW AND lcE STUDIES Malcolm Mellor, Editor ANTARCTIC SNOW AND lcE STUDIES II A. P. Crary...SoIL FORMING PROCESSES J. C. F. Tedrow, Editor ANTARCTIC DRY VALLEY DRILLING PROJECT L. D. McGinnis...PALEONTOLOGY OF THE Jarvis B. Hadley, Editor VICTORIA ANTARCTIC GEOLOGY OF THE CENTRAL 'fRANSANTARCTIC MOUNTAINS |  | | Journal (article/letter/editorial) | | coworkers18) and the diamonds from Premier mine in South Africa, which are particularly beautiful, have an...P-type diamonds from De Beers Pool mines, Kimberley, South Africa.13 More recently, as part of a programme...more fully the evolution of the Kaapvaal craton in South Africa, Re–Os systematics on single E-type sulphide...Kimberley (in the middle) and Koffiefontein (in the south), have shown two distinct ages of E-type diamond...Centre, De Beers Consolidated Mines, Southdale, South Africa Fe–Ni–Cu sulphides are the most common syngenetic |  | | Journal (article/letter/editorial) | | Magmatic-Hydrothermal Activity in the Shuteen Area, South Mongolia* Bayaraa Batkhishig,1,†Tsuchiya Noriyoshi...area is located in the Gurvansaikhan island arc terrane of South Mongolia. It contains a large domain...or beneath the Shuteen lithocap. Introduction South Mongolia hosts a number of Paleozoic porphyry copper...107°34'–107°48'E) is located about 450 km south-southeast of Ulaanbaatar in South Mongolia. The area contains the...is characterized by chlorite, epidote, calcite, sericite, pyrite, albitized feldspar, and magnetite. Propylitic |  | | Journal (article/letter/editorial) | | assemblage is jarosite +barite+ pyrite + quartz + sericite. This assemblage indicates acid sulphate or advanced...NW-SE Qom–Zefreh major fault. Jarosite+ barite+ sericite+ pyrite+ tourmaline+ quartz7plagioclase 7feldspar...dome. The phyllic alteration zone consists of sericite+ quartz+ pyrite and iron oxides. Phyllic alteration...in the jarositized rocks. Massive jarosite and sericite form the matrix of the altered tuff. In some altered...original porphyritic texture. Jarosite along with sericite and quartz form a late mineralization phase manifested |
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