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Siliciclastic : ウィキペディア英語版 | Siliciclastic
Siliciclastic rocks (commonly misspelled ''siliclastic'') are clastic noncarbonate sedimentary rocks that are almost exclusively silica-bearing, either as forms of quartz or other silicate minerals. All siliciclastic rocks are formed by inorganic processes, or deposited through some mechanical process, such as stream deposits (delta deposits) that are subsequently lithified. They are sandstone based rocks accounting for about 50 - 60% of the world oil and gas exploration.The other silicate minerals that are generally present in siliciclastic sedimentary rocks are feldspar, biotite etc....
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Siliciclastic」の詳細全文を読む
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