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Rosario Group
The
Rosario
Group
is a
Late Cretaceous
geologic group
in
southwestern
California
and northwestern
Baja California
. In
older
literature
it was named Rosario
Formation
.
The Rosario Group includes the
Point Loma Formation
and
Cabrillo Formation
subunits in
San Diego County, California
.
The
sedimentary structures
of the Rosario Group
apparently
were formed in a
nearshore
shelf
environment, probably a
local
embayment
.
Fossils
It
preserves
fossils
dating
back to the
Cretaceous period
of the
Mesozoic Era
.