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单词 packstone
释义

packstone

英汉-汉英词典
泥粒灰岩
词组 | 习惯用语
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  • backstop n. [棒]挡球网;捕手;支撑物
  • capstone n. 顶石;顶点
  • packsaddle n. 驮鞍
  • Pakistani adj. 巴基斯坦的 n. 巴基斯坦人
packstone n. 泥粒灰岩,粒灰岩
miliolid-coral-caprinid packstone- 粟孔虫珊瑚双壳灰岩—

网络短语:
packstone pkst 泥粒灰岩
caprinid packstone 粟孔虫
coral-caprinid packstone 羚角蛤泥粒灰岩
bioclastic packstone 生物碎屑泥粒灰岩
miliolid-coral-caprinid packstone 粟孔虫;珊瑚
bioclastic c packstone 生物碎屑泥粒灰岩
英语百科

Dunham classification

(重定向自Packstone)
Grainstone in the Dunham Classification (Brassfield Formation near Fairborn, Ohio). Grains are crinoid fragments.
Grainstone rich in peloids and shell fragments; calcite cement; Upper Carboniferous of Nevada.

The Dunham classification system for carbonate sedimentary rocks was devised by Robert J. Dunham in 1962, and refined by Embry and Klovan in 1971 to include sediments that were organically bound during deposition.

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