Marine volcanics of Early Ordovician was found in Zhifang region.
摘要紙房地區(qū)具有早奧陶世海相火山巖存在.
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This was the result from the large - scale regression in the Late Ordovician.
這是晚奧陶世晚期大規(guī)模海退的結(jié)果.
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The Cambrian - Ordovician strata in Luxi Block are very continuous and well exposed.
魯西地塊的寒武 - 奧陶紀(jì)地層出露連續(xù),露頭較好.
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NOTES ON THE GENUS REEDOCALYMENE KOBAYASHI, 1951 ( TRILOBITA, ORDOVICIAN )
論奧陶紀(jì)三葉蟲屬ReedocalymeneKobayashi, 1951 ( 英文 )
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The Lower Ordovician in Tazhong area is dominated by marine carbonate.
塔里木盆地塔中地區(qū)下奧陶統(tǒng)主要為一套海相碳酸鹽巖.
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The main water source is fracture - karst water in Middle Ordovician carbonate rocks.
主要的供水水源為中奧陶統(tǒng)碳酸鹽類巖石中的裂隙 - 喀斯特水.
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Among the multi - oil - generating beds, the Cambrian and Ordovician is the best one.
特別是在盆地內(nèi)發(fā)現(xiàn)的多套生油層系中, 寒武──奧陶系為最佳.
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The Ordovician lithofacies and biofacies change greatly at different localities of the Yangtze Region, South China.
華南揚子區(qū)不同地點奧陶紀(jì)的巖相 、 生物相變化顯著.
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Cambrian - Ordovician petroleum system is the most important system type in the northern region of Tarim basin.
寒武系 — 奧陶系源巖含油氣系統(tǒng)是塔北地區(qū)最重要的一類已知含油氣系統(tǒng).
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The Tahe reservoir Ordovician carbonate rock belongs to the type reservoir that this is special.
塔河油田奧陶系碳酸鹽巖屬于該特殊類型油藏.
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Study shows that the Ordovician carbonate formation in this area characteristic of very low groundmass porosity.
明確了研究區(qū)奧陶系儲層為超低基質(zhì)孔的致密碳酸鹽巖,巖溶作用為本區(qū)儲層發(fā)育的主控因素.
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The main reservoir types in Ordovician carbonate formation in Tahe Oilfield are dissolution fractures and caves.
塔河油田奧陶系碳酸鹽巖地層的主要儲集空間為溶蝕縫、洞.
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The Cambrian and Ordovician are important exploration target strata in Leshan - Longnvsi paleo - uplift area.
寒武系和奧陶系是四川盆地樂山 — 龍女寺古隆起區(qū)的重要勘探目的層系.
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There is abundant karst fissure water in the limestone and dolomite of Cambrian and Ordovician.
寒武系、奧陶系地層主要為灰?guī)r和白云巖,其間賦存有較豐富的巖溶裂隙水.
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A rift trough along Mianxian - Lueyang ophiolitic melange belt was formed from Ordovician to Silurian.
奧陶紀(jì)—志留紀(jì)大致沿勉略構(gòu)造帶形成南秦嶺裂陷槽.
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