名词
中文翻译：吉芬石盐
同义词：
['gypsum shale', 'gypsumite', 'gypsumite shale']
例句：
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1. The Gyffin shale is a type of sedimentary rock that is rich in calcium carbonate.
吉芬石盐是一种富含碳酸钙的沉积岩。
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2.This region is famous for its Gyffin shale deposits, which are used to make cement.
这个地区以其吉芬石盐矿床而闻名，这些矿床被用来生产水泥。
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3.Geologists study the Gyffin shale to understand how it formed and what minerals it contains.
地质学家研究吉芬石盐以了解其形成过程以及其中包含的矿物。