[引用][C] Ages of mineralization of gold and porphyry copper deposits in the New Guinea Highlands
RW Page, I McDougall - Economic Geology, 1972 - pubs.geoscienceworld.org
RW Page, I McDougall
Economic Geology, 1972•pubs.geoscienceworld.org… K-Ar and Rb-Sr ages are reported from five different areas of gold and porphyry copper
mineralization in the Highlands of Papua New Guinea. The igneous rocks associated with
these deposits are of calc-alkaline character, and range from porphyritic granodiorite to
andesite. In some cases, the … We report in this paper isotopic age results on rocks from
five areas that are mineralized (Fig. 1); these data provide much firmer control on …
mineralization in the Highlands of Papua New Guinea. The igneous rocks associated with
these deposits are of calc-alkaline character, and range from porphyritic granodiorite to
andesite. In some cases, the … We report in this paper isotopic age results on rocks from
five areas that are mineralized (Fig. 1); these data provide much firmer control on …
Abstract
K/Ar, Sr/Rb, calc-alkaline igneous rocks, porphyritic granodiorite to andesite, 3.1-3.8 m.y. age interval for mineralization, Cenozoic
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