關於桂竹林層 - 地球科學討論
By Steve
at 2010-09-26T15:27
at 2010-09-26T15:27
Table of Contents
想請教板上的前輩們一個問題
桂竹林層是否有含煤跡的白砂岩?
昨天在鼻頭角逛了一圈
在往鼻頭角燈塔的步道旁有一大片岩層出露
步道兩旁有不少落石與岩屑
大塊落石除泥質砂岩外
有幾顆落石的新鮮面是含煤的白砂岩
但據中央地調所的地質圖
鼻頭角全區為桂竹林層的二鬮段
一般認為西部麓山帶的含煤層不包括桂竹林層
這究竟是怎麼一回事?!
落石說是從南莊層來的好像也不太可能...
若桂竹林層無含煤的白砂岩
比較有可能的解釋為何呢?
(風景區感覺不能亂敲所以沒取標本XD)
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Tags:
地球科學
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