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Contributed by Smithsonian Institution Archives.
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Transcription
1. Gray porphyry tuff w/ 1cm fragment
of bright pink & weathered palygote.
205 feet broad.
2. Gritty. Rather fine grained trap
from amygdaloidal. Width 350 feet
3. Covered (Scarlet valley) 50 feet broad
4A Creamy dark red and tuff. Fragments
rather small, pink & reddish black.
Strike N 37° W. dip 35° N. E. width
120 feet. At the base are 4 feet of
tuffs of dark gray-red tinges w/ in
weathering white & minute frag-
ments (reddish black) showing on
black surfaces or weathered surfaces.
4B Covered. 40 feet in an excavated
valley.
4C Dark red porphyry tuff.
Strike N. 37° W. dip 35° N. E. Similar
to No 4A, charged with large quartz
crys & palygorn phenocrysts. Matrix
dark red. Rubble dark red. width
weather dark color & minute dark
bright red. Rubbles very small & much
spumous Rock easily mistaken for
soft flow. Close jointing N 64° E
4D Also tuff, similar to 4 but
the matrix is a general gray in
streak of dark red & rock weathers
light color typically white. Specimen
fine tuff is associated with darker phases
turning toward reddish gray 100ft broad.
5. Covered 570 feet half of which is in
a depressed sag.
6F Fragmented and tuff w/ fragments.