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The Glen Rose Formation is a shallow marine to shoreline geological formation from the lower Cretaceous period exposed over a large area from South Central to North Central Texas. The formation is most widely known for the dinosaur footprints and trackways found in the Dinosaur Valley State Park near the town of Glen Rose, Texas , southwest of ...
The Hammett and the lower portion of the Upper Glen Rose act as confining units (or aquitard) for the Middle Trinity Aquifer. The Upper Glen Rose contains the Upper Trinity Aquifer, which appears to have intra-aquifer groundwater flow with the Edwards Aquifer as water levels are at the same elevation.
The Trinity Group is best known for the Glen Rose Formation that lies within it. The 40–200 ft thick beds of the Glen Rose formation are composed of a limestone with alternating units consisting of clay, marl, and sand. The depositional environment of the Glen Rose was a shallow marine to shoreline environment.
Name Age Location Description Aganane Formation [1] Morocco Up to 1350 tracks, most of them currently undescribed. Includes small, medium and large theropods
Chacarilla Formation [27] Chile [27] Description Chaunaca Formation [28] Bolivia [28] Description Corda Formation [29] Brazil [29] Description DeQueen Formation [30] USA [30] Description Edwards Formation [31] USA [31] Description Encisco Group [32] Spain [32] Description Glen Rose Formation [33] Late Aptian to Early Albian [33] USA [33 ...
The Upper Glen Rose contains the Upper Trinity Aquifer, which appears to have intra-aquifer groundwater flow with the Edwards Aquifer as water levels are at the same elevation. Formations within the Edwards Group include the Kainier Formation and the Person Formation. The Upper Cretaceous rock units confine the Edwards Aquifer within the group ...
The Glen Rose man said he had scattered corn around the property to bait deer. But the animals seemed to have vanished from the land around Thanksgiving Day of 2014.
In the United States, dinosaur footprints and trackways are found in the Glen Rose Formation, the most famous of these being the Paluxy River site in Dinosaur Valley State Park. These were the first sauropoda footprints scientifically documented, and were designated a US National Natural Landmark in 1969. Some are as large as about 3 feet across.