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Shaded relief map of the Llano Estacado. Texas contains a wide variety of geologic settings. The state's stratigraphy has been largely influenced by marine transgressive-regressive cycles during the Phanerozoic, with a lesser but still significant contribution from late Cenozoic tectonic activity, as well as the remnants of a Paleozoic mountain range.
During a 1975 expedition of the Cave Without a Name, cavers mapped out over 2.7 mi (4.3 km) of caverns, making it the seventh-longest cave in Texas. Due to the great natural acoustics created by three large solution domes on the ceiling of the Throne Room, the cave is host to 12 concerts yearly with a maximum attendance of 200 people.
This article contains a list of fossil-bearing stratigraphic units in the state of Texas, U.S. Sites. Group or Formation ... Bone Spring Limestone: Permian: Boquillas ...
Location of Limestone County in Texas. This is a list of the National Register of Historic Places listings in Limestone County, Texas. This is intended to be a complete list of properties listed on the National Register of Historic Places in Limestone County, Texas. There are four properties listed on the National Register in the county.
The second map shows a partition of the counties into 12 regions of Texas, as defined by the Texas comptroller. The table, further below, reports currently listings by county, updated frequently. [a] Regions are defined by the Texas State Comptroller, who has partitioned the state into 12 regions for economic performance reporting, as shown here.
This was the best place to cross the Trinity from the earliest days, best for fordings, ferries, and bridges. During the days of the Republic of Texas, the DFW Metroplex was mostly uninhabited by Europeans, but settlers began to find their way north in the 1840s. The route north naturally followed the low hills and gentle ridges of Austin chalk ...
The formation was first designated the Bone Springs Limestone by Blanchard and Davis in 1929. [6] It has subsequently been demoted to membership as the Bone Canyon Member of the Leonard Formation, [7] renamed the Bone Spring Limestone, [8] and most recently redesigned the Bone Spring Formation. [1]
Buda Limestone stratigraphic column in Texas. The Buda Limestone is a geological formation in the High Plains and Trans-Pecos regions of West Texas [1] and in southern New Mexico, [2] whose strata date back to the Late Cretaceous. Pterosaur remains are among the fossils that have been recovered from the formation. [3]