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APPENDIX. 
111, STRATIFIED ROCKS—Continued. 
Name. 
Sandy clay 
Clay 
Clay from a well 80 feet deep 
Sandstone containing casts of fossils, ferrujdnoüBc coc. weinen 
Selenite, (gypsum) 
347 
Locality. 
Bank of Tuoloumne river 
Terrace at King’s ferry 
Lake Tent rancho, July 21 
Ocoya creck 
Fibrous selenite do 
Selenite in narrow plates do 
Sandstone with lines of oxide of iron do 
do do do 
Nodule of oxide of iron do 
Calcareous sandstone from the interior of the nodule of oxide of iron do 
Sandy strata showing a line of oxide of iron do 
Sandstone, gray and friable do 
White fine-grained argillaceous sandstone do 
Siliceous and argillaceous strata, white do 
White sandstone containing nodules, masses of clay do. 
Conglomerate of pumice stone and charcoal, with volcanic ash do 
Conglomerate of pumice stone and charcoal, with volcanic ash .... Ocoya creek 
een do do do do do 
Rounded water-worn fragments of pumice stone do 
Nodules of clay, from the strata do 
Compact arenaceous clay do 
Pebbles of greenstone and quartz, from the strata do 
Pebbles of porphyry and quartz do 
Compact calcareous sandstone from the interior of a nodule do 
Coarse-grained siliceous sandstone 
Ocoya creek, right bank 
do do 
Sandstone 
Ferruginous sandstone 
White calcareous sandstone 
White argillaceous rock 
Carrizo creek, November 21 
Coarse-grained sandstone, hard and met phosed 
Coarse gill Ocoya creek 
Conglomerate do 
Pumice stone masses in: Clay ánd-sand mia n ERE Fort Miller, south side, July 30------------ 
White siliceous earth, probably pulverized pumice do do 
San Francisquito Pass 
Los Angeles, October 31 
Near Los Angeles 
Fine red clay 
Clay concretions 
Alamo well, Colorado desert 
Colorado desert 
Bituminous clay San Pedro 
I dd 02 نید‎ do 
Limestone, compact and gray, from the tertiary strata 2 do 
Boulder of bituminous silica, semi-opal do 
Boulder of bituminous silica, showing the lines of deposition do 
Shale, charged with bitumen in seams and fissures do 
Bituminous shale Los Angeles 
AUN UNE do Near Los Angeles.----------------------- 
Selenite, from the strata Punta Loma, San Diego 
Conglomerate of pebbles cemented by carbonate of lime.--------- Pilot knob, desert 
