Geology of Texas

Texas Geology
Compiled by Jim Szpakowski

Resource Links

DeLorme Texas Atlas & Gazetteer	Roadside Geology of Texas	Geological Highway Map of Texas
Gem Trails of Texas	Rockhounding Texas	Southwest Treasure Hunter's Gem & Mineral Guide
A Field Guide to Fossils of Texas	Lone Star Dinosasurs	Fossil Sharks and Rays from the Cretaceous of Texas

Caves

National Speleological Society (NSS)

Texas Speleological Survey (TSS)

Devil's Sinkhole - at Devil's Sinkhole SNA
Frio - 2nd largest bat colony in the world, largest that can be viewed! - near Lost Maples SNA
Kickapoo - at Kickapoo Cavern State Park
Stuart Bat Cave - at Kickapoo Cavern State Park

General:

Fossils

Cenozoic:

Mesozoic:

Paleozoic:

General:

Meteors

Meteor Craters:

Odessa - 2nd biggest meteor crater in the US.
- 2nd link
Sierra Madera
Marquez
National Atlas shows 5 Impact sites

Tektites near Houston -Manning member or the Jacksonian Sands (upper Eocene).

Misc.

Geology definition (Wikipedia)
Topographical maps (TopoZone)
Walter Geology Library (UT)
Texas Geology Links (SFASU)
Geology of Texas (Association of Engineering Geologist)
Geology & Mineral Resources of Texas: Related Links (UT)
Geology.com

Texas Gem and Mineral Clubs

Boy Scout Geology Merit Badge
Petroleum Geology and the Development of the Boy Scout Geology Merit Badge

State Symbols

Dinosaur: Pleurocoelus
Fossil: NA
Gem: Texas Blue Topaz
Mineral: NA
Stone: Petrified Palmwood

Field Trips

Location	Type	ScoutingTexas	Precambrian	Paleozoic	Mesozoic	Cenozoic
Austin Chalk Group	General geology (UT)	Austin	.	.	.	.
Big Bend National Park	General geology (TAMU)	Link	.	.	.	.
Big Bend National Park Pointer and Pictures	Links, pictures & movies (TCU)	Link	.	.	.	.
The Brazos River - Brazos Bend State Park	General geology (HGS)	Link	.	.	.	.
Coal Geology of the Paleocene-Eocene Calvert Bluff Formation (Wilcox Group) and the Eocene Manning Formation (Jackson Group) in east-central Texas	(USGS)	.	.	.	.	.
Structural geology and landforms of Dallas County	General geology (UNT)	.	.	.	.	.
Dinosaur Valley State Park	Dinosaur tracks	Link	.	.	.	.
A virtual field trip to Enchanted Rock State Natural Area	General geology, field trip (UT)	Link	.	.	.	.
The Franklin Mountains of El Paso, TX	General geology (UTEP)	Link	.	.	.	.
Texas Hill Country Virtual Field Trip	General geology (TAMU)	.	.	.	.	.
Hill Country Dinosaur Footprints	Dinosaur tracks	.	.	.	.	.
Houston’s Main Street Geology Field Guide	General geology of Houston building materials (UH)	Link	.	.	.	.
Llano Uplift	General geology, field trip (UT)	Llano	.	.	.	.
Llano Uplift Mineral - Fossil Locations and Road Logs	General geology	Llano	.	.	.	.
Longhorn Caverns	General geology (TAMU)	.	.	.	.	.
Late Mesozoic Geology of Texas	(cretaceousfossils.com)	.	.	.	.	.
An Introduction and Virtual Geologic Field Trip to the Permian Reef Complex, Guadalupe and Delaware Mountains, New Mexico-West Texas	General geology (NMT)	Pine Springs	.	.	.	.
Permian Reefs and Carbonate Complexes, West Texas	General geology (El Paso CC)	.	.		.	.
Permian Reef Complex	General geology slide show (UBC)	Pine Springs	.	.	.	.
Tertiary Coals in South Texas	General geology (USGS)	Link	.	.	.	.
Walking The Forty Acres: Building Stone -- Precambrian to Pleistocene	General geology, field trip (UT)	Link	.	.	.	.
Walking the Forty Acres: Waller Creek Wilderness Trails and Adjuncts	General geology, field trip (UT)	Link	.	.	.	.
Whiskey Bridge Fossils (2.9 MB pdf)	Fossil collecting (HMNS)	Link	.	.	.	.