 | | Report (chapter) | | million years. Amphibolites (Las Pirquitas/Quemado region) with N-MORB like light-depleted REE patterns and...Valdivia/Barboza) formed as arc cumulates, and (central region) as ridge or arc/back-arc lavas (including shoshonite)...silicic schists/gneisses are interpreted as arc region greywackes and silicic lavas, and marbles as reef...in the southwestern Pacific Ocean. The Lau Basin region is used for comparison. The field, petrological...the western Sierras Pampeanas and Precordillera region over the modern shallow subduction zone in the |  | | Report (issue) | | ................. 39 Central and northwestern region .................................................resources 53 Geological map of the Agnew - Mount Keith region .................................................Generalized tentative stratigraphy of the Forrestania region .................................................nickelfrom mines developed in the Eastern Goldfielh region since 1966. Annual state mine production since...smelter was built at the capital Noumea in 1877. The district that became the world’s principal single source |  | Shagam, R., Hargraves, R. B., Morgan, W. J., Houten, F. B. Van, Burk, C. A., Holland, H. D., Hollister, L. C. - Eds. (1972) Studies in Earth and Space Sciences. GSA Memoir 132. Geological Society of America doi:10.1130/mem132 | Report (issue) | | Mechanisms for the Emplacement of AlpineType Serpentinite .John P. Lockwood 273 A Primary Peridotite...through his career, from his thesis study on serpentinite at Schuyler, Vir¬ ginia, to his last field trip...geology and geologists of southern Africa. That region constituted one of the few outposts of vehement...band 75 miles wide but that in the surrounding region it is uniformly thick. This was baffling and remains...model comes from the Juan de Fuca Ridge region. We claim this region has two minor hot spots creating the |  | | Book | | the setting and origin of major deposits in the region, together with information on tonnages and grades...tungsten-gold and lead-zinc-silver deposits of the Tighza district of Morocco, proposing links to granite-related...polymetallic vein deposits of the Edough-Cap de Fer district of Algeria, including fluid inclusion data that...porphyry–epithermal transition recorded in the Ouixane iron district of Morocco, using new geochronological and fluid...(±gold ±silver) deposits of the famous Bou Azzer district in Morocco, and proposes a long-lived, magmatic-hydrothermal |
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