middle cambrian 中文意思是什麼
middle cambrian
解釋
中寒武世-
From the cambrian to the early middle ordovician, the cambrian radiolaria and the early ordovician conodonts of the erlangping trough in the northern part of eqm, and the cambrian trilobites and early ordovician conodonts as well as cephalopods of the northern xichuan shelf in the southern part of eqm belonged to the south china province, while the cambrian trilobites and the early ordovician conodonts of the southern xichuan shelf belonged to the south china province with some elements of the north china province
在寒武紀至中奧陶世早期，東秦嶺北部二郎坪海槽的寒武紀放射蟲和早奧陶世牙形石與東秦嶺南部浙川陸棚北部的寒武紀三葉蟲、早奧陶世牙形石和頭足類屬華南生物省，而浙川陸棚南部的寒武紀三葉蟲和早奧陶世牙形石屬于華南生物省，兼有華北生物省分子。 -
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 unpublished ph.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 .魯西地區晚寒武世牙形石.北京大學博士研究生學位論文 -
This paper describes characteristic succession of dolomitic limestone tempestites from middle - upper cambrian in huangshi, eastern hubei province
摘要鄂東黃石地區中上寒武統中下部發育一套典型的白雲質風暴巖。 -
The clastic rocks distribute mainly in the lower cambrian and the carbonate rocks in the upper part of the lower cambrian and middle and upper cambrian
碎屑巖主要分佈在下寒武統；下寒武統上部和中、上寒武統主要由碳酸鹽巖構成。 -
Micritic dolostone occurs widely in the middle and upper cambrian and is yellowish brown and brickcolored red, in which parallel laminae, bird ' s - eyes and mud - cracks are developed
準同生白雲巖廣泛出現于中上寒武統，巖石呈土黃色、磚紅色，具紋層、烏眼、乾裂構造。 -
Basic features and genesis of the early - middle cambrian epoch volcanics in the xiangmaoshan district of western part of northern qilian
中寒武世基性火山巖基本特徵及其成因 -
The andesite clasts were most likely derived from erosion of igneous rock in middle jurassic time, and the limestone clasts were derived from cambrian and ordovician strata. dolomite clasts were derived from the middle proterozoic jixian group
安山巖礫石是中侏羅統髫髻山組火山巖剝蝕的產物，灰巖礫石來自於寒武、奧陶系灰巖，白雲巖礫石主要來自於薊縣系白雲巖。 -
The middle cambrian early devonian ( 513 - 397ma ) tectonic stage was characterized by a series of tectonic events with different features, which are completely different from the caledonian event that occurred in the appalachian orogen and in scotland
摘要中國大陸早古生代（中寒武世早泥盆世）構造期以發生系列各具特徵、分佈局限、準同時的構造事件為特徵。 -
The major lithofacies palaeogeographic characteristics of the qiongzhusi age and early canglangpu age ( early cambrian ) are a land in middle hubei, the carbonate tidal flat surrounding the land, shelf and a basin in the south
早寒武世早中期巖相古地理格局由鄂中古陸、圍繞古陸的碳酸鹽潮坪、陸棚及南邊的陸棚邊緣盆地組成。 -
This paper is a continuation of the papers on lithofacies palaeogeography of the early, middle and late cambrian and the early and middle ordovician
摘要本文是筆者等的中國早、中、晚寒武世和早、中奧陶世巖相古地理諸文的繼續。 -
On the basis of lithofacies palaeogeographic map, the sedimentary and lithofacies palaeogeographic characteristics of the middle yangtze region during the late sinian and early cambrian are also described
晚震旦世巖相古地理格局由碳酸鹽臺地（鄂中臺地）和南邊的臺緣盆地組成。 -
With stromatolite but no desiccation crack, the depositional environment of middle - late cambrian in the area was intertidal zone to subtidal zone with the shallow - water features
根據其中的疊層石和無明顯泥裂構造，推測為潮間帶局限潮下帶沉積環境。 -
By digussing the key exploration area of each structural unit, this paper pointed out : ( 1 ) look for the paleo - reservior foemed in late hercynian and second reservoir formed in himalyan periods in the west part of bachu arch ; ( 2 ) key exploration area in the east of bachu arch is middle - low cambrian self - generation and self - reservoir inside primary reservior. ( 3 ) the exploration on markit slope should focus on paleohigh formed during late caledonian, residual paleo - reservior ( middle - low cambrian primary inside reservoir, ordovician weathering crust oil / gas pool ) and subtle oil / gas trap formed in late period
分析討論了每個構造單元的勘探重點：在巴楚隆起西段應以尋找加里東期和海西晚期形成古油藏和喜山期形成的次生油藏為重點；巴楚隆起東段應以中下寒武的自生自儲的原生內幕油氣藏為主要勘探目標；麥蓋提斜坡應以伽里東中晚期形成的古隆起，海西晚期形成的，現未被完全破壞的殘留古油藏（中下寒武原生內幕油氣藏、奧陶系風化殼油藏）和以石炭二疊為烴源巖的晚期成藏的隱閉油氣藏二者並重的方針。
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