golden spike
simple past tense and past participle of concrew
simple past tense and past participle of oversample
(geology) A geologic marker created by a global event that leads to long lasting global changes recorded in the geologic record that can be used to indicate a change in a geologic time division such as an epoch, age, era.
An island in the Indonesian Archipelago. / (computer languages) An object-oriented, garbage-collected computer programming language.
堆積層で世界境界標準断面・点（GSSP）に相当する地質学的指標が発見され、地質学者は新たな時代区分の境界を定めることができた。
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DiQt
Free
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