PG. 87 The folded and faulted rocks at the base of the SW face of Leonard Mt. have this sequence roughly. {note: illustration: bed 1: Limestone, dark gray, in beds 6" to 2' with thin shaly partings. Calcaremites apparently - brown chert bands near top of most beds. 150' or more. bed 2: Dark brown to black chert, 3" to 6" beds with thin shale interbeds. 60-70'. bed 3: 3"-2'- orange-brown silty sandstones with interbedded light gray shale at least 100' total.} None of these beds have fossils, except for locality at 8/24/57/2 (and 7/23/58/1). This one locality is a thin 2' zone with fusulines and brachs and corals and is only found in this one locality. This overlies the upper unit shown above, but has about 10' of similar orange-brown sandstones above, but perhaps faulted. The lithology of the lower unit is similar to the Ordovician just south of Marathon, the chert is similar in color to the Maravillas, but the upper orange-brown interval is similar to some beds on the eastern side of Leonard mountain in the "Tenus". PG. 88 The "Tenus" as map by King on the eastern face of Leonard Mt. is generally light and gray sandstone in most of its exposures. 300 yards SW of Sec. 36, the Tensus section is exposed in an anticline. The core of the anticline has orange-brown sandstone and interbedded light gray shales similar to the upper sequence on the southwest face. The similarities of this lithology suggests a correlation but is not based on fossils. The lower conglomerate on Leonard Mt. is primarily dark gray cobbles (like unit at base p. 87) and chert and metamorphic pebbles. The upper conglomerate is entirely light to medium gray limestone cobbles, and a minor amount of chert pebbles in infrequent bands. Collection 7/23/58/3 from the limestone interval above the second conglomerate but below the Dolomite mass. The second saddle South of this collection is filled by a syenite (?) dike which apparently follows a fault of perhaps 75-100' of displacement lowering the north side. PG. 89 7/24/58 Sect. 41 - east Hess Horst at eastern most tip of Intrusive (Dacite). 1) Intrusive - 2) Shale, medium gray in 2' intervals and 3"-6" silty? resistant beds (brown weathering) - all badly metamorphosed - 78'. Some plant frags - Walchea? 3) Calcarudite, massive, 4" to 6" cobbles of dark gray limestone and light gray limestone, black chert pebbles 3'. 4) Shale, medium gray, badly metamorphosed 23'.