Rotten Rock definition

Rotten Rock means any decomposed but still coherent rock. Rotten Rock is greater than fifty percent (50%) coherent rock and lies above equal or more coherent rock.
Rotten Rock means any highly decomposed but still coherent rock., including, but not limited to, highly weathered granitic bedrock. Rotten Rock is greater than 50% coherent rock and lies above equal or more coherent rock.