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- Geochemical and Isotopic Study of Gneiss-Associated Metabasites at the Central Range, Taiwan
- Geochemical Characteristics of Metabasites from the Slate formations of Taiwan
- Stable Isotope Studies of Marble/Schist in the Tungao Area, Northeastern Taiwan: Characteristics of the Metamorphic Fluid
- The Geochemical Characteristics of the Metamorphosed Andesite/Dacite from the Tananao Schist Complex in the Tungao area, Taiwan
- Geochemical Characteristics of Metabasites from the Slate Formations of Taiwan: Discussion
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- Petrology of Metabasite and Petrology of Metabasite and Associated Garnet-Bearing Schist in the Sinkang Area, New Central Cross-Montain Road, Taiwan
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- 高雄麓山帶油氣苗地球化學及來源研究
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題名 | Geochemical and Isotopic Study of Gneiss-Associated Metabasites at the Central Range, Taiwan=臺灣中央山脈與片麻岩共生變質基性岩之地球化學與同位素研究 |
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作者 | 藍晶瑩; | 書刊名 | 中國地質學會會刊 |
卷期 | 34:3 1991.07[民80.07] |
頁次 | 頁233-265 |
分類號 | 358.6 |
關鍵詞 | 中央山脈; 片麻岩; 共生; 同位素; 地球化學; 基性岩; 臺灣; 變質; |
語文 | 英文(English) |
中文摘要 | 臺灣中央山脈的大南澳片岩中,與片麻岩共生的變質基性岩,依其野外產狀、組織、地球化學及釹同位素等的不同,可分為兩大類。第一類為角閃岩,具片理,常被包裹於源頭山及飯包尖山片麻岩體的片麻岩中,表現海洋島弧矽質玄武岩的地球化學及同位素特性。第二類為綠色岩,塊狀,不具片理,常在大濁水、溪畔及開南岡等片麻岩體的片麻岩附近,與含錳的變質泥岩及大理岩共生,大部分表現海洋板塊內部玄武岩的地球化學及同位素特性,極少部分呈現P型中洋脊玄武岩的特性。 |
英文摘要 | Metabasites associated with different gneiss bodies in the Tananao Complex of the Central Range, Taiwan have different texture, field occurrence, geochemistry and Nd-isotopic compositions. The metabasites of Yuantoushan and Fanpaochienshan gneiss bodies are well-foliated amphibolites, which demonstrate an enclave-intrusive relationship with granitic gneiss, and are geochemically and isotopically similar to oceanic island arc tholeiites. The metabasites of Tachoshui, Chipan and Kanagan gneiss bodies are massive greenically and are associated with metapelites and marbles. Geochemically and isotopically, most greenstones resemble the within-plate oceanic basalts, except one which has elemental abundance similar to those of P-type mid-ocean ridge basalt. |
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