Cambrian造句

MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.
武桂春, 2003. 魯西地區(qū)晚寒武世牙形石. 北京大學(xué)博士研究生學(xué)位論文.

Cambrian stratigraphy well developed in Luxi ( west of Shandong ), and their sedimentary records possesses cyclicity.
魯西地區(qū)寒武紀(jì)地層發(fā)育較好, 沉積記錄具旋回性的特點(diǎn).

Dolostone is the main rock type of the Cambrian in this area.
從下寒武統(tǒng)石龍洞組開(kāi)始都是白云巖沈積.

It holds also one of the most complete successions of the Cambrian strata known in China.
此地同樣也是我國(guó)寒武系地層出露最完整的地區(qū)之一.

Bryozoa was quite diversified in the Ordovician, but lacked fossil records in the Cambrian.
古生物學(xué)資料表明,雖然苔蘚動(dòng)物的大多數(shù)類群在奧陶紀(jì)已經(jīng)分化出來(lái), 但它在寒武紀(jì)卻缺乏任何化石記錄.

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.

Dengta marine built gypsum deposits occurred in Mantou Jianchang Formations, Lower Cambrian.
燈塔海積石膏礦床賦存于下寒武統(tǒng)饅頭組—堿廠組中.

The Pre - cambrian alumino - siliceous slate is the host rock of antimony deposit inHunan.
湖南前寒武系的 硅鋁 質(zhì)板巖是銻礦主要賦礦巖性.

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