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Rough Hollow, Blanco, Archaeoscyphia biostrome

Blanco County, Texas
Directions
Next site in TexasNagel Locality (GA Bishop Coll. 21) · 5 mi

Can I collect here?

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See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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Based on our latest records, with claims updated from the BLM on Oct 15, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

5 miNagel Locality (GA Bishop Coll. 21)Fossil6 miAmethyst Hill on Althaus RanchAmethyst, citrine17 miDripping Springs, Texas (Glen Rose Limestone)Fossil

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About Rough Hollow, Blanco, Archaeoscyphia biostrome

Rough Hollow, Blanco, Archaeoscyphia biostrome is a fossil collection site in Blanco, Texas, cataloged in the Paleobiology Database. Fossils here come from the Honeycut Formation, dated to the Jeffersonian (486.85–471.3 million years ago). The depositional environment is recorded as reef, buildup or bioherm. Documented finds include Archaeoscyphia annulata, Girvanella, Finkelnburgia cullisoni, Xenelasma, Orospira, Hormotoma.

Geologic setting

Formation
Honeycut
Geologic interval
Jeffersonian
Age
486.85–471.3 Ma
Depositional environment
reef, buildup or bioherm
Recorded occurrences
17
Locality notes

Rough Hollow and Burke Ranch E-NE of Johnson City

Fossils found here

Archaeoscyphia annulata
Demospongiae · Anthaspidellidae
Girvanella
Hormogoneae · Girvanellaceae
Finkelnburgia cullisoni
Rhynchonellata · Finkelnburgiidae
Xenelasma
Rhynchonellata · Syntrophiidae
Orospira
Gastropoda · Raphistomatidae
Hormotoma
Gastropoda · Hormotomidae
Eopteria
Rostroconchia · Eopteriidae
Euconia etna
Gastropoda · Sinuopeidae
Lecanospira lecanospiroides
Gastropoda · Ophiletidae
Ceratopea capuliformis
Gastropoda · Raphistomatidae
Ceratopea
Gastropoda · Raphistomatidae
Cephalopoda
Cephalopoda
Tarphyceras chadwickense
Cephalopoda · Tarphyceratidae
Jeffersonia granosa
Trilobita · Bathyuridae
Strigigenalis
Trilobita · Bathyuridae
Pseudohystricurus
Trilobita · Dimeropygidae
Conodonta
Conodonta

Records and references

Data: Paleobiology Database collection 80088 (CC BY 4.0) — view the source record

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Questions about Rough Hollow, Blanco, Archaeoscyphia biostrome

Can you collect at Rough Hollow, Blanco, Archaeoscyphia biostrome?

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 Rough Hollow, Blanco, Archaeoscyphia biostrome?

Fossil.

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Meteorite nearbyA 7.8 kg iron meteorite was found at Wimberley in 1976, 25 miles from here.

Source: Paleobiology Database.