falcondoite
present participle of place
A branch of ichnology concerned with the study of modern traces (such as burrows, trails, etc.) created by organisms on and within fresh sediments
cropland
(mineralogy) An orthorhombic-dipyramidal mineral containing hydrogen, magnesium, nickel, oxygen, and silicon.
結晶構造と化学組成を分析した後、学芸員はその標本を水素、マグネシウム、ニッケル、酸素、ケイ素を含む直方晶二面体の鉱物として注意深くラベルを付けた。
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