Upper Carboniferous period

英

美

[网络] 上石炭纪时期

The study of metallogenic model of the bauxite deposits indicate that bauxite mineralization should be due to laterization during late stage of Late Devonian Period and early stage of Early Carboniferous Period and transportation-deposition of Upper Carboniferous Period as well as later diagenesis and epigenesis.
成矿模式反映了铝土矿大致于晚泥盆世晚期至早石炭世早期红土化、晚石炭世搬运沉积以及后来的成岩后生作用和表生作用等阶段的演化历程。
The source of gold deposits were derived from the basalts originated in partial melting of upper mantle during the Carboniferous and Permian period, and later enriched in the frontal imbricated fault zones of the large thrust nappes.
金矿源来自上地幔部分熔融产生的玄武岩，后期经活化富集于北山地区南部推覆前缘叠瓦断层带中。
The Bogda region is interpreted to be an upper Palaeozoic continental rift, which was closed towards the end of the Carboniferous period.
对我国北方上古生代地层的一些认识博格达造山带是上古生代裂谷带，于石炭纪末闭合。