en sandstone (n)
― IsA ⟶
Weight: 1.0
en clastic sedimentary rock (n) Source: OpenCyc 2012
en clastic sedimentary rock (n)
― IsA ⟶
Weight: 1.0
en sedimentary rock (n) Source: OpenCyc 2012
en shale (n)
― IsA ⟶
Weight: 1.0
en clastic sedimentary rock (n) Source: OpenCyc 2012