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- The thin-beded siliceous-rocks include chert and depositional quartz with textures of oolite and pebble. 矽質(zhì)巖包括燧石和沈積石英巖,呈薄層狀產(chǎn)出,沈積石英巖具鮞狀、礫狀結構。
- A small rounded accretionary mass,usually of calcium carbonate,larger and less regular than an oolite. 豆巖一種小的圓形沉積巖,常為碳酸鈣,比鮞狀巖大且不規則
- A small rounded accretionary mass, usually of calcium carbonate, larger and less regular than an oolite. 豆巖一種小的圓形沉積巖,常為碳酸鈣,比鮞狀巖大且不規則
- Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids. 自然堆積的灰質(zhì)鮞粒砂具有40%25的孔隙度,因為其顆粒其本上都是球狀的。
- A small rounded accretionary mass.usually of calcium carbonate,larger and less regular than an oolite. 豆巖一種小的圓形沉積巖,常為碳酸鈣,比鮞狀巖大且不規則
- Natural gas mainly accumulated in oolite beach sedimentary facies of carbonate platform edge around Guangliang trough in Sichuan Basin. 天然氣主要富集于廣梁海槽兩側臺地邊緣鮞粒灘相區。
- There found 104 seismic anomalies of oolite beach in the eastern Sichuan Basin using the recognition mode of seismic anomaly of oolite beach. 利用鮞粒灘地震異常識別模式,在盆地東部已發(fā)現104個(gè)鮞粒灘地震異常,為進(jìn)一步勘探提供了新的目標。
- This series of oolite beach reservoir prediction technologies effectively improves the prediction accuracy of reservoirs at the area. 這套鮞灘儲層預測技術(shù)方法的應用,有效地提高了研究區儲層預測的精度。
- Especially for the oolite hematite in the west of Hubei, because the granule of value mineral is so tiny that we can’t made it fit for smelting by traditional method. 將高磷赤鐵礦特別是鄂西寧鄉式鮞狀赤鐵礦的選礦再次提上了日程,由于其有用礦物嵌布粒度極細、原礦性質(zhì)復雜、含磷很高,眾多的選礦方法都很難使其達到冶煉要求。
- Cowan A &James N P. 1992. Diastasis cracks: mechanically generated synaeresis-like cracks in Upper-Cambrian shallow water oolite and ribbon carbonates. Sedimentology, 39:1101-1118. 蘇皖北部上前寒武系研究項目協(xié)作組.;1984
- The oolite beach of the lower Triassic Feixianguan Formation in eastern Sichuan basin developed in themargin of carbonate platform, and platform margins are always related to ocean trough. 四川盆地東部下三疊統飛仙關(guān)組鮞灘主要發(fā)育在碳酸鹽巖臺緣帶上,而臺緣帶與海槽密切相關(guān),找到了海槽就意味著(zhù)找到了鮞灘。
- The oolite hematite in the west of Hubei, because of its inlay granularity be so thin、raw ore’s quality be complex and with high impurity, the traditional methods get hardly to requirement of smelt. 鄂西寧鄉式鮞狀赤鐵礦嵌布粒度極細、雜質(zhì)含量高,傳統的選礦方法生產(chǎn)的鐵精礦很難達到冶煉要求。
- oolite bearing blocklike sandstone 含鮞粒塊狀砂巖
- Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids 自然堆積的灰質(zhì)鮞粒砂具有40%25的孔隙度,因為其顆粒其本上都是球狀的。
- OOLITE AND POSOLITE IN THE SILTSTONE OF XINDU FORMATION,MIDDLE DEVONIAN,WUZHOU,GUANGXI 梧州中泥盆統信都組粉砂巖中的鮞粒與豆粒
- Keywords permeability prediction;generalized permeability model;rock-fabric number;oolite gas bed; 滲透率預測;一般滲透率模型;巖石結構數;鮞灘氣層;
- Keywords edge oolite beach;sequence stratigraphy;sedimentation model;Feixianguan Formation;Luojiazhai; 邊緣鮞灘;層序地層學(xué);沉積模式;飛仙關(guān)組;羅家寨;
- Keywords sequence stratigraphy;lithofacies and paleogeography;oolite beach;Lower Triassic;Feixianguan Formation;northeastern Sichuan Basin; 層序地層學(xué);巖相古地理;鮞灘;下三疊統;飛仙關(guān)組;川東北;
- Keywords mineral processing;refractory iron ores;oolite;high-phosphorus iron ores;iron increasing and phosphorus reducing;flotation reagents; 選礦;難選鐵礦;鮞狀礦;高磷鐵礦;提鐵降磷;浮選藥劑;
- rich in iron oolite 富鐵鮞粒