常見例句Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types. 石炭紀(jì)末期本區(qū)的巖漿活動(dòng)開始,早二曡世晚期和晚二曡世早期是兩個(gè)主活動(dòng)期。The Zhaojiaweizi Ag-Pb-Zn deposit occured within the lower Permian volcanoclastic rocks、marble and crystalline limestone rocks. 內(nèi)矇趙家圍子銀鉛鋅多金屬鑛牀産於二曡系下統(tǒng)火山碎屑巖和大理巖、結(jié)晶灰?guī)r中。The study shows that the volcanic reservoir rocks compose mainly of acidic rocks and volcanoclastic rocks, with pore types of secondary pores and fissures, vesicular and microfissure reservoir spaces. 區(qū)內(nèi)火山巖儲(chǔ)集層主要爲(wèi)酸性巖類及火山碎屑巖,孔隙類型爲(wèi)次生孔縫,儲(chǔ)集空間爲(wèi)氣孔、微裂縫。Keywords igneous reservoir;lithofacies;lithology;log response;lava;volcanoclastic rock;Huang-hua depression; 火成巖油藏;巖相;巖性;測井響應(yīng);熔巖;火山碎屑巖;黃驊凹陷;THE CHARACTERISTICS AND GENETIC SIGNIFICANCES OF PROBABILITY ACCUMULATION CURVES OF DEVONIAN MARINE VOLCANOCLASTIC ROCKS IN EAST ZHUNGEER 東準(zhǔn)噶爾泥盆系海相火山碎屑巖概率累積曲線特征及其成因意義The study shows that Cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava; 結(jié)果認(rèn)爲(wèi),白堊紀(jì)火山巖以中酸性火山熔巖和火山碎屑巖爲(wèi)主,侷部發(fā)育基性熔巖; 返回 volcanoclastic