ホーム > Term: thunder egg
thunder egg
A popular term for a small, geodelike body of chalcedony, opal, or agate that has weathered out of the welded tuffs or lava, particularly from central Oregon.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
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(Milwaukee, United States)
