You are browsing the archive for 28 June 2012 - Mountain Beltway.
28 June 2012
Thunderbird rhyolite
Have you ever seen a black rhyolite? Neither had geoblogger Callan Bentley – until he went to the Franklin Mountains of West Texas.
28 June 2012
Have you ever seen a black rhyolite? Neither had geoblogger Callan Bentley – until he went to the Franklin Mountains of West Texas.