頁籤選單縮合
題 名 | 西沙群島石島生物砂屑灰岩的成岩周期表=Periodic Table of Biocalcarenite-formation from the Shidao Islet |
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作 者 | 畢福志; 袁又申; | 書刊名 | 臺灣省立博物館年刊 |
卷 期 | 40 1997.12[民86.12] |
頁 次 | 頁155-175 |
分類號 | 356.2 |
關鍵詞 | 西沙石島; 海成生物砂屑灰岩; 周期間隔500年左右; 2萬多年成岩周期表; 高海灘岩; The Shidao Islet of the Xisha Islands; Marine biocalcarenite; Cycle-interval about 500-year; The rock-forming periodic table duing recent 20,000 years or more; High beachrock; |
語 文 | 中文(Chinese) |
中文摘要 | 據已發表的石島生物砂屑灰岩的�釮 年代數據,共 61 個年代值,其中 95% 落在 近 2 萬多年的成岩周期表(式 1、表一)的相應周期內。這一周期表的成岩周期為 500 年 左右,沉積成岩期和間斷期各為 250 年左右。此項突破,使石島的成岩周期表和中國 1 萬 年來的多種環境周期表自然接軌,對自然科學周期規律的研究,具有劃時代的重大科學意義 。 由於這種重要的接軌, 從而發現 26, 000 多年以來的海灘岩成岩周期規律, 同時發現 26,000 多年以來的氣候變化周期、海平面變化周期與海灘岩成岩周期的同步規律, 成為距 今 26,000 多年以來周期序列的第一張大自然周期表。從而又發現 1 萬年前的 250 年左右 的最小時間尺度的地層單位。 西沙群島地區地殼活動強烈,石島是�s升的海島,也是深部構造活動的反映。閩臺粵瓊海岸 全新世珊瑚礁、高海灘岩�s升大的地區,皆為大震區,無一例外。西沙石島�s升與一海島沉 降海底,是否有地震,需進一步研究。 |
英文摘要 | According to published �釮 dating of biocalcarenite from the Shidao Islet, 95% of total 61 dating data all fall into corresponding cycle of rock-forming periodic table (formula 1, table 1) in recent 20,000 years or more. The rock-forming cycle of this table is about 500 years, the rock-forming phase and the break phase are respectively about 250 years. This breakthrough naturally joins the periodic table of rock-formation from Shidao Islet to many kinds of periodic table of environments in recent 10,000 years in China, it has epochmaking, important scientific significance for study on the cycle of natural science. Based on that important join, the authors have discovered the cycle of beachrock-forming for 26,000 years, meanwhile, discovered their synchronous regular among climatic cycle, sealevel cycle, and beachrock-forming cycle during 26,000 years. It becomes the first periodic table of nature with periodic systems for 26,000 years. Then also have found the smallest time-scale (about 250 years) of strata unit 10,000 years before. The crust of the Xisha Islands is strong active, the Shidao Islet is a uplifting Islet, also a reflection of deep-seated tectonic activity. Along the coast of Fujian, Taiwan, Guangdong and Hainan, the areas of coral reef and high-level beachrock which have uplifted large amplitude, all are the areas of great earthquake with magnitude over 7 grade, there is no exception. The Shidao Islet uplifting as well as another Islet subsiding into seabottom, may be relative to earthquake. |
本系統中英文摘要資訊取自各篇刊載內容。