Two giant “pencils” in the Martinsburg Formation:
You can see smaller (more typically sized) “pencils” on the slope behind me.
Photo by John Singleton, GMU.
Two giant “pencils” in the Martinsburg Formation:
You can see smaller (more typically sized) “pencils” on the slope behind me.
Photo by John Singleton, GMU.
Nice outcrop pic. thanks.
Not bad, but check out my pencils on ResearchGATE!
http://goo.gl/iTxEe
or on the Univ. Hong Kong Science Faculty website
http://www.scifac.hku.hk/news/comm/new-world-record
Cheers, Jason Ali