palaeozoic group 中文意思是什麼
palaeozoic group
解釋
古生界- palaeozoic : adj. 【地質學；地理學】古生代的。n. 〈the Palaeozoic〉古生代。
- group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
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There are a series of lead - zinc polymetallic deposits, such as fozichong, dongtao, xiashui, wenlongjing and jilongding distributed along the fault zone. these deposits have some similiar features : ? ll of them are bounded in the strata of lower palaeozoic group ; ? ain orebodies occur as stratiform or stratoid form with occurrence consistent with that of host strata ; ? tratiform skam or baritic rock are the direct country rock of orebodies ; ? ypical syngenetic sedimentary fabric preserved in the ore. these deposits may be included in the same metallogenic series
佛子沖、東桃、下水、文龍徑、雞籠頂等一系列鉛鋅多金屬礦床沿該斷裂帶分佈，這些礦床雖然在成礦規模、賦礦層位和礦石礦物組成等方面存在一些差異，但均產于下古生界地層中；主要礦體呈層狀、似層狀產出，與地層產狀大體一致；直接賦礦圍巖為層狀綠色巖或重晶石巖；礦石中保留有典型的同生沉積組構。 -
The lower palaeozoic group mainly includes cambrian, medial and lower ordovician, which are marine carbonate in the district
下古生界包括寒武系和下、中奧陶統，主要由海相碳酸鹽巖構成。
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