oolite是什麼意思 oolite的用法 oolite怎麼讀
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oolite
英 ['əʊəlaɪt]美 ['oə,laɪt]
n. 鮞粒巖；魚卵石
英語詞源
oolite (n.)
"rock consisting of fine grains of carbonate of lime," 1785, from Modern Latin oolites,
from oo-, comb. form of Greek oon "egg" (cognate with Old English æg, see egg (n.)) + lithos "stone" (see litho-). So called because the rock resembles the roe of fish.權威例句
1. Oolite lime sand packs naturally with 40 % porosity because the particles are essentially spheroids.
自然堆積的灰質鮞粒砂具有40%的孔隙度,因爲其顆粒其本上都是球狀的.
2. The thin bedded siliceous - rocks include chert and depositional quartz with textures of oolite and pebble.
矽質岩包括燧石和沈積石英巖,呈薄層狀產出,沈積石英巖具鮞狀、礫狀結構.
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