[0-28'] Shale, dark gray to black, well laminated, hard and brittle…
[28-29'] Dolomite, sublithographic, dark brownish gray, fractures…
[29-42'] Dolomite, gray to brownish gray, very finely crystalline,…
[42-51'] Dolomite, gray, fine, crystalline, essentially as above…
[51-55'] Breccia, mostly very fine, tending to be somewhat more…
[55-59'] Breccia, fine, little medium, principally limestone…
[59-68'] Breccia, fine, medium and coarse, sub8ngular fragments in a…
[68-80'] Breccia, principally coarse angular fragments, all tightly…
[80-93'] Breccia, principally very fine, consists principally of…