最終更新日：2024/08/01
(mineralogy) A saddle reef: a saddle-shaped bedded mineral vein in the form of an anticline or a syncline (an inverted saddle).
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saddle back reef
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(mineralogy) A saddle reef: a saddle-shaped bedded mineral vein in the form of an anticline or a syncline (an inverted saddle).
saddle back reef
DiQt（ディクト）
無料
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