The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The Red Fort(德里红堡) in India is named for its massive enclosing walls of red sandstone.
The Red Fort(德里红堡) in India is named for its massive enclosing walls of red sandstone.
According to the passage, the Anasazi buildings were made primarily of______. A: dried mud B: blocks of wood C: sandstone D: the skins of animals
According to the passage, the Anasazi buildings were made primarily of______. A: dried mud B: blocks of wood C: sandstone D: the skins of animals
如何区分铁质胶结的石英砂岩和长石石英砂岩？How to distinguish between iron cemented quartz sandstone and feldspar quartz sandstone? A: 通过颜色 | By color B: 通过胶结物成分 | By cement composition C: 通过砂颗粒的矿物特征 | By sand particles Mineral characteristics D: 通过岩石的结构和构造 | By the structure and structure of the rock
如何区分铁质胶结的石英砂岩和长石石英砂岩？How to distinguish between iron cemented quartz sandstone and feldspar quartz sandstone? A: 通过颜色 | By color B: 通过胶结物成分 | By cement composition C: 通过砂颗粒的矿物特征 | By sand particles Mineral characteristics D: 通过岩石的结构和构造 | By the structure and structure of the rock
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