- the
Sevilleta metarhyolite in
their compilation of
radiometric ages in 1993. The unit is a
thick sequence of
interbedded metarhyolites,
pelitic schists...
- most of the mountains'
steep western faces.
These include the
Sevilleta metarhyolite, with an age of 1665 ±16 Ma. The
southern part of the
Manzano Mountains...
-
Mountains and
nearby ranges of
central New Mexico.
These are
mostly metarhyolite or
quartzite units with some
schist and amphibolite, and form a sequence...
- metagabbro, and metadiabase, such as the
Vlasina Complex in Serbia.
Metarhyolites also
dominate in the Riphean-Cambrian
segment of the
Vardar Zone, including...
-
parts of the Blue Ridge. The
Catoctin Formation contains metabasalt,
metarhyolite, and
porphyritic rocks,
columnar jointing, low-dipping
primary joints...
-
Bernalillo County, New Mexico,
United States Topo map USGS
Sandia Park
Geology Rock age
Early Proterozoic Rock type
Metarhyolite Climbing Easiest route Hike...
- feet)
thick and has a uranium-lead
radiometric age of 1700 Mya. The
metarhyolite making up much of the
formation is
reddish orange in color, but ranges...
-
identical in age and
isotope composition to the
underlying Sevilleta metarhyolite,
suggesting that the
sediments of the
quartzite were
weathered almost...
-
consisting of
cobbles and
boulders of quartzite, sandstone, quartz, and some
metarhyolite in red sand. Turn to the
eastern leg, it p****es
through the Brunswick...
- with
round cobbles and
boulders of quartzite, sandstone, quartz, and
metarhyolite in red sand. Then it p****es
through a
region of
Brunswick Formation,...
