joints
boquillas/boquillas.html:fluorite crystal or gaily
boquillas/boquillas.html:amethyst, but at two
boquillas/boquillas.html:fluvial geomorphology
boquillas/boquillas.html:meander in the Rio Grande
boquillas/boquillas.html:with a point bar on
boquillas/boquillas.html:conglomerate
boquillas/boquillas.html:terraces of the Rio
boquillas/boquillas.html:Grande: the mesa-like
boquillas/boquillas.html:floodplains, such as the
graben
horst
Quaternary
Tertiary
tuff
intrusive igneous rock
burropouroff/burropouroff.html:Springs Tuff. These two units
burropouroff/burropouroff.html:conglomerate
talus
burropouroff/burropouroff.html:Basalt is a very dark rock
clasts
burropouroff/burropouroff.html:rhyolite flow. A plunge
chimneys/chimneys.html:Tertiary
chimneys/chimneys.html:Springs Tuff
chimneys/chimneys.html:conglomerate
chimneys/chimneys.html:talus
chimneys/chimneys.html:Basalt
chimneys/chimneys.html:plunge
cuestas
dogcanyon/dogcanyon.html:limy clay, which dips
dogcanyon/dogcanyon.html:attack of mass-wasting
dogcanyon/dogcanyon.html:creep, slides, and rock falls.
dogcanyon/dogcanyon.html:similar to andesite, but
dogcanyon/dogcanyon.html:graben, which was filled in
dogcanyon/dogcanyon.html:shale deposited in a shallow
dogcanyon/dogcanyon.html:ventifact, a feature
marl
fold
Laramide
edwards/edwards.html:Ground water is like
edwards/edwards.html:containing carbonic
edwards/edwards.html:a "collapse breccia"
edwards/edwards.html:fold called a
edwards/edwards.html:syncline.
edwards/edwards.html:Chert has the chemical
edwards/edwards.html:composition of silica (one
edwards/edwards.html:conchoidal fracture,
edwards/edwards.html:structural
igneous
intrusion
laccolith
spheroidal
exfoliation
grapevine/grapevine.html:Syenite is a fairly
granite
quartz
grapevine/grapevine.html:cleavage. A
calcite
potassium feldspar
dike
fissure
anticline
grapevine/grapevine.html:axis, which
alluvium
strike and dip.
hotsprings/hotsprings.html:("principle
hotsprings/hotsprings.html:Inoceramus clam fossils
hotsprings/hotsprings.html:called a "cast", where
hotsprings/hotsprings.html:graben. The
caldera
ignimbrite
ash
lostmine/lostmine.html:members of the
lostmine/lostmine.html:Formation, which was
lostmine/lostmine.html:mass wasting, processes
lostmine/lostmine.html:flatiron below Crown
marathon/marathon.html:geology you saw. Paleozoic
Cretaceous
limestones
marathon/marathon.html:Pennsylvanian age in
unconformity
shale
marathon/marathon.html:Pennsylvanian
marathon/marathon.html:lithology
marathon/marathon.html:Mississippian
stratigraphically
marathon/marathon.html:turbidity currents
Tectonic
marathon/marathon.html:Tertiary Period, which began
marathon/marathon.html:Novaculite.
marathon/marathon.html:chert-like rock and therefore
marathon/marathon.html:Devonian age (more or less
marathon/marathon.html:flatirons condensing
marathon/marathon.html:basin that
marathon/marathon.html:Permian and another during
marathon/marathon.html:Ouachita and
marathon/marathon.html:orogenies.
marathon/marathon.html:Ordovician rock. And,
marathon/marathon.html:Tertiary,
marathon/marathon.html:rockfall that can be seen
marathon/marathon.html:"mass wasting",
maxwell/maxwell.html:A syncline is a
Eocene
Trachyandesite
maxwell/maxwell.html:Tuff, and the Bee Mountain
maxwell/maxwell.html:Basalt, which was erupted
maxwell/maxwell.html:years. Andesite is a
maxwell/maxwell.html:volcanic plug. The
maxwell/maxwell.html:landslide or
maxwell/maxwell.html:rockfall. The
persimmon/persimmon.html:Devonian (?) Caballos
persimmon/persimmon.html:Novaculite (the age has
persimmon/persimmon.html:Chert, dating to the
persimmon/persimmon.html:Formation of
persimmon/persimmon.html:Paleozoic rocks, such as
persimmon/persimmon.html:Mississippian to Early
persimmon/persimmon.html:Pennsylvanian age.
persimmon/persimmon.html:turbidity
persimmon/persimmon.html:Cenozoic), there could well
persimmon/persimmon.html:Draw Graben. A graben is a
persimmon/persimmon.html:of syenite composition. This
feldspar
rancherias/rancherias.html:conglomerate
basalt
rancherias/rancherias.html:alluvial fan.
Oligocene
Miocene
rancherias/rancherias.html:trachyte
rancherias/rancherias.html:"vesicles" and the
rancherias/rancherias.html:sandstone
rim/rim.html:graben. The reason the Chisos
rim/rim.html:"group" vs
rim/rim.html:"formation" later).
sill
rhyolite
Rhyolite
rim/rim.html:andesite is a
rim/rim.html:Tertiary.
rim/rim.html:formation is the basic
rim/rim.html:group is a collection
rim/rim.html:designated as members.
rim/rim.html:ignimbrite) and volcanic
rim/rim.html:glass (obsidian). The Boot
rim/rim.html:the axis ("center") of
plunging
rim/rim.html:mass wasting
rim-basin/rim-basin.html:felsic (that is, high in
rim-basin/rim-basin.html:Inoceramus clams exposed
rim-basin/rim-basin.html:volcanic origin.
pyroclastic
silica
Basalt
vesicles,
meanders,
ballistic
westroad/westroad.html:formation
westroad/westroad.html:sandstone at the top
westroad/westroad.html:desert pavement,
westroad/westroad.html:Chisos volcanic rocks.
continental drift
plate tectonics
Basin and Range
radiometric dating
subduction
Farallon Plate
subduction
monoclinal fold
Pleistocene
pediment
water table
monocline
orogeny
last glacial maximum
USGS Circular 1327
Paleocene
phenocryst
crystal habit
pyrite
mineral pseudomorph
hematite
goethite
incised meanders
concretion
Solitario
biotite
cross-bedding
trachyandesite
caprock
fault
strike-slip fault
dip-slip faults
fault-block mountains
thrust fault
The Big Bend of the Rio Grande by Ross A. Maxwell
sotol
angle of repose
crust
crustal extension