琥珀是鬆科鬆屬植物的樹脂化石，煤是植物碳化形成的。撫順地處針葉鬆林帶，因此多琥珀。

來源: 信筆由墨於 2023-11-08 08:00:45 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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