English Dictionary

lonestone

名詞

(geology) An oversize, exotic stone encased in finer sediment and either lacking or associated with obvious evidence of having dropped into the sediment from above.Cf: dropstone

日本語の意味

大きく目立つ珍しい石で、精緻な堆積層に囲まれており、上方から落下した形跡が認められる場合もある石。

The geologist carefully extracted a lonestone from the marine mudstone, noting its foreign composition and lack of clear evidence that it had fallen from above.

地質学者は海成泥岩から外来の大型落下岩（ドロップストーン）を慎重に取り出し、その異質な組成と上方から落ちてきた明確な証拠がないことを記録した。

意味（1）

(geology) An oversize, exotic stone encased in finer sediment and either lacking or associated with obvious evidence of having dropped into the sediment from above.Cf: dropstone

lonestones （ plural ）