{"type":"product","schema_version":"1.0","item_id":"101560064568","canonical_url":"https://tw.bid.yahoo.com/item/101560064568","title":"天津 薊縣 柱狀疊層石...2.5kg...稀少","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-16T21:30:14.066Z","current_price":4000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y7988685952","name":"Taiwan Stone 2009","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/ecbcfd23-a312-4ac4-a3cb-6a8abdbdfe3e.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/fcdd3ee9-00d5-4f2a-9b1d-481373fe244b.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null}],"description":"年代：元古宙 \n產地：中國 \n尺寸 : 5x20x30 cm\n疊層石是前寒武紀的一種“準化石”，是原核生物所建造的有機沈積結構。由於藍藻等低等微生物的生命活動所引起的周期性礦物沈澱、沈積物的捕獲和膠結作用，從而形成了疊層狀的生物沈積構造。因縱剖面呈向上凸起的弧形或錐形疊層狀，如扣放的一疊碗。\n\n疊層石的岩性、外形與內部構造，除取決於菌類等微生物的活動之外，同由於疊層石是地球上最早的生物活動證據，並且在不同地質時代的不同環境中幾乎都有疊層石的發育；因此，對疊層石的相關比較研究，一直是備受古生物學、地層學、沉積學、古地理學、地球化學、湖沼學、微生物學、藻類學，乃至天文等領域學者的矚目。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳"],"category_id":"2092075977","category_name":"文石","breadcrumb":[{"id":"20000","name":"古董、藝術與礦石","url":"/tw/%E5%8F%A4%E8%91%A3%E3%80%81%E8%97%9D%E8%A1%93%E8%88%87%E7%A4%A6%E7%9F%B3-20000-category.html"},{"id":"2092074552","name":"印石/原石","url":"/tw/%E5%8D%B0%E7%9F%B3-%E5%8E%9F%E7%9F%B3-2092074552-category.html"},{"id":"2092075977","name":"文石","url":"/tw/%E6%96%87%E7%9F%B3-2092075977-category.html"}],"view_count":0,"watch_count":0}