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Table 1

1
Measured section of Pelona schist
Thickness
in feet Description

325 Mixed rock along contact with granite; transitional types

from granite to pennine-oligoclase-quartz schist.

2300 Muscovite schist, with a few thin quartzite beds.

725 Muscovite schist and actinolite-chlorite schist; thin talc

dike near base.

925 Muscovite schist and actinolite-chlorite schist inter-

layered; quartzite and crystalline limestone common;

chlorite-muscovite schist in place of muscovite

schist in lower one-third of unit.

19.75 Muscovite schist and chlorite-muscovite schist.

750 Actinolite -chlorite schist.

225 Chlorite-muscovite schist.

200+ Actinolite-chlorite schist; some chlorite-muscovite

schist.

- - - - Base of exposed section. - - - -

.7425+ Total exposed thickness.

1
Section measure.d northward from south line of section 16, T. SN.,

R. 15W., in Bouquet Canyon, San Francisquito quadrangle, Los Angeles

County, California. Thicknesses obtained by graphical methods. Modi-

fied from Hill, 1939, p. 48.