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USNM708b, Hwy. 90 near Decie Ranch, Glass Mountains

Brewster County, Texas
Directions
Next site in TexasAbout 2.5 miles NNE of oil derrick, Wedin's ranch, Glass Mountains · 3 mi

Can I collect here?

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Based on our latest records, with claims updated from the BLM on Oct 9, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

3 miAbout 2.5 miles NNE of oil derrick, Wedin's ranch, Glass MountainsFossil4 miLenox Hills, base of escarpment north of Wedin's ranchFossil4 miUSNM J-18, Hill 5300Fossil

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About USNM708b, Hwy. 90 near Decie Ranch, Glass Mountains

USNM708b, Hwy. 90 near Decie Ranch, Glass Mountains is a fossil collection site in Brewster, Texas, cataloged in the Paleobiology Database. Fossils here come from the Neal Ranch? Formation, dated to the Asselian (298.9–293.52 million years ago). The depositional environment is recorded as marine indet. Documented finds include Eridmatus marathonensis, Linoproductus.

Geologic setting

Formation
Neal Ranch?
Geologic interval
Asselian
Age
298.9–293.52 Ma
Depositional environment
marine indet.
Recorded occurrences
2
Locality notes

Roadcut on U.S. Highway 90, 4 miles W of Marathon. Altuda quadrangle.

Fossils found here

Eridmatus marathonensis
Rhynchonellata · Spiriferellidae
Linoproductus
Strophomenata · Linoproductidae

Records and references

Data: Paleobiology Database collection 43584 (CC BY 4.0) — view the source record

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Questions about USNM708b, Hwy. 90 near Decie Ranch, Glass Mountains

Can you collect at USNM708b, Hwy. 90 near Decie Ranch, Glass Mountains?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at USNM708b, Hwy. 90 near Decie Ranch, Glass Mountains?

Fossil.

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Meteorite nearbyA 70 kg stony meteorite fell at Peña Blanca Spring in 1946, 13 miles from here.

Source: Paleobiology Database.