gandheng tuff, tuff rhyolitic, basaltic tuff, trachyte tuff lan tuff andesitic.
Ora Kasadhiya
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero
kasedhiya ing persil saka werna lan patron, Gamelan kanggo tutul, rock grained banget nggoleki