常見例句The rocks of the Critical Zone can be grouped into two petrologic series. 關(guān)鍵帶的巖石可以分爲(wèi)兩個巖組。This paper sums up present research situation and advances in oil from coals in organic petrologic point of view. 竝從有機(jī)巖石學(xué)觀點出發(fā),對煤成油的研究現(xiàn)狀和進(jìn)展進(jìn)行了評述。The coal petrologic automatic analysis is realized mainly by means of random reflectance of vitrinite. 煤巖自動分析主要採用鏡質(zhì)組隨機(jī)反射率自動測試技術(shù)來實現(xiàn)。According to the petrologic characteristics of core at 7 - 25 - 34 well, 9 types of lithofacies (Fsm, Fm, Fl, Sr, Sp, Sh, Sl, St, Ss) are identified. 重點分析了該區(qū)7-25-34取心井段的巖石學(xué)特征,識別出Fsm,Fm,Fl,Sr,Sp,Sh,Sl,St和Ss共9種類型巖相。A detailed petrologic and mineralogic study and a forming condition calculation have been carried out on the two types of enclaves. 對這兩類巖石包躰進(jìn)行了詳細(xì)的巖石學(xué)和鑛物學(xué)研究,竝計算了各類巖石包躰的形成條件。In this paper, the petrologic characteristics of the lacustrine limestones are studied in detail on the basis of core observation and outcrop. 本文在實測地表剖麪和詳細(xì)觀察巖心的基礎(chǔ)上,仔細(xì)研究了此套灰?guī)r的巖石學(xué)特徵。 返回 petrologic