jinis
gandheng tuff, tuff rhyolitic, basaltic tuff, trachyte tuff lan tuff andesitic.
  
nepheline-basanite, analcite-basanite lan leucite-basanite
  
fitur
tansah ditemokake minangka pipo vulkanik liwat lemah ndhuwur Continental jero
  
clasts Gamelan kanggo tutul, gampang pecah dadi lancip piring, tahan struktural dhuwur marang erosi lan iklim, digunakake minangka Touchstone a
  
pinunjul arkeologi
  
  
monumen
used
  
used
  
monumen misuwur
data ora kasedhiya
  
data ora kasedhiya
  
reca
used
  
durung digunakake
  
patung misuwur
data ora kasedhiya
  
ora ditrapake
  
Pictographs
used
  
ora digunakake
  
petroglyphs
used
  
ora digunakake
  
figurines
used
  
durung digunakake
  
fosil
absen
  
absen