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題名 | Magnetobiostratigraphy of the Mawu-Chi Section, Southern Coastal Range, Eastern Taiwan=臺灣東部海岸山脈南段馬武溪剖面之磁生物地層 |
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作者 | 洪崇勝; 謝凱旋; | 書刊名 | 中國地質學會會刊 |
卷期 | 40:2 1997.04[民86.04] |
頁次 | 頁339-362 |
分類號 | 356.232 |
關鍵詞 | 磁生物地層; 化石基準面; 地磁極世代年表; 海岸山脈; Magnetobiostratigraphy; Datum level; Geomagnetic polarity time scale; Coastal range; |
語文 | 英文(English) |
英文摘要 | 經由磁地層、浮游性有孔蟲與鈣質超微化石生物地層之整合,本研究對臺灣東部 海岸山脈南段之馬武溪剖面賦予了一地質年代,時間約自 2.3 以迄約 0.98 Ma。 此一剖面 內的都鑾山層頂部及大港口層底部, 其年代建議修訂為 2.3 至 1.88 Ma( 相當於 NN18 或 N21),而非以前所認為的 NN15。 此外,位於大港口層內之火山灰岩層,其年代主要集中在 1.9 及 1.3 Ma。它們的來源可能與綠島的火山噴發有關。 angkou Formation, it is suggested, ranges from ~2.3 to 1.88 Ma (NN18 or N21), instead of NN15 as previously proposed. Tuffaceous layers in the Takangkou Formation, mainly clustering around the ages of 1.9 and 1.3 Ma, are probably related to the eruptions of Lutao volcanoes. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。