USNM715v, Leonard Mountain, Glass Mountains
Brewster County, Texas30.33800, −103.22400
Can I collect here?
ProSee who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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 mineralRecorded here: fossil.
Nearby sites
All of TexasEvery site in TexasMore fossil sites in Texas
See them all- R.E. King 231, Leonard Mountain, Glass Mountains1 mi · Fossil
- R.E. King 232, Leonard Mountain, Glass Mountains1 mi · Fossil
- USNM705s, Leonard Mountain, Glass Mountains1 mi · Fossil
- USNM705m, Leonard Mountain, Glass Mountains2 mi · Fossil
- USNM714p, Skinner Ranch Formation, Leonard Mountain, Glass Mountains2 mi · Fossil
- R.E. King 307, Glass Mountains2 mi · Fossil
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The Market
Native American arrowhead$20cubedmoons3Browse the Market
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About USNM715v, Leonard Mountain, Glass Mountains
USNM715v, Leonard Mountain, Glass Mountains is a fossil collection site in Brewster, Texas, cataloged in the Paleobiology Database. Fossils here come from the Skinner Ranch Formation, dated to the Artinskian (290.1–283.3 million years ago). The depositional environment is recorded as reef, buildup or bioherm. Documented finds include Acosarina minuta, Acritosia teguliferoides, Altiplecus glebosus, Rigrantia hessensis, Antronaria dissona, Antronaria transversa.
Geologic setting
- Formation
- Skinner Ranch
- Geologic interval
- Artinskian
- Age
- 290.1–283.3 Ma
- Depositional environment
- reef, buildup or bioherm
- Recorded occurrences
- 42
Locality notes
1.0 mile S 50° W of Hess Ranch, at NE end of Leonard Mountain, Hess Canyon quadrangle
Fossils found here
Acosarina minuta
Rhynchonellata · Schizophoriidae
Acritosia teguliferoides
Strophomenata · Cyclacanthariidae
Altiplecus glebosus
Rhynchonellata · Reticulariinidae
Rigrantia hessensis
Strophomenata · Productidae
Antronaria dissona
Rhynchonellata · Pontisiidae
Antronaria transversa
Rhynchonellata · Pontisiidae
Chonetinella
Strophomenata · Rugosochonetidae
Collemataria platys
Strophomenata · Lyttoniidae
Composita
Rhynchonellata · Athyrididae
Crenispirifer angulatus
Rhynchonellata · Spiriferellinidae
Derbyia crenulata
Strophomenata · Derbyiidae
Derbyia nasuta
Strophomenata · Derbyiidae
Derbyia
Strophomenata · Derbyiidae
Dielasma hessense
Rhynchonellata · Dielasmatidae
Dielasma
Rhynchonellata · Dielasmatidae
Diplanus lamellatus
Strophomenata · Derbyiidae
Elliottella varicostata
Strophomenata · Paucispiniferidae
Enteletes stehlii
Rhynchonellata · Enteletidae
Hustedia catella
Rhynchonellata · Neoretziidae
Hustedia hessensis
Rhynchonellata · Neoretziidae
Hustedia
Rhynchonellata · Neoretziidae
Hystriculina pumila
Strophomenata · Paucispiniferidae
Kozlowskia
Strophomenata · Productellidae
Lepidocrania
Craniata · Craniidae
Meekella hessensis
Strophomenata · Meekellidae
Metriolepis scrupea
Rhynchonellata · Spiriferellinidae
Orthotichia newelli
Rhynchonellata · Schizophoriidae
Rhipidomella hessensis
Rhynchonellata · Rhipidomellidae
Scacchinella titan
Strophomenata · Scacchinellidae
Stenoscisma hadrum
Rhynchonellata · Stenoscismatidae
Stenoscisma
Rhynchonellata · Stenoscismatidae
Planispina conida
Strophomenata · Cyclacanthariidae
Tricoria hirpex
Rhynchonellata · Wellerellidae
Tropidelasma rhamphodes
Strophomenata · Schuchertellidae
Lophophyllidium (Lophbillidium) magnocolumnare
Anthozoa · Lophophyllidae
Lophotichium simulatum
Anthozoa · Lophotichiidae
Assimulia (Assimulia) tergida
Anthozoa · Lophotichiidae
Assimulia (Assimulia) abscessa
Anthozoa · Lophotichiidae
Assimulia (Assimulia) compacta
Anthozoa · Lophotichiidae
Paraduplophyllum (Vacoea) tubaeformis reductum
Anthozoa · Lophotichiidae
Paraduplophyllum (Vacoea) vermiculare
Anthozoa · Lophotichiidae
Juresanites colemanensis
Cephalopoda · Metalegoceratidae
Records and references
Data: Paleobiology Database collection 75886 (CC BY 4.0) — view the source record
Getting there
No directions yet.
How hard is it?
- Getting there
- – / 5
- Finding anything
- – / 5
- Votes
- 0
Trip reports
No trip reports yet.
Questions about USNM715v, Leonard Mountain, Glass Mountains
Can you collect at USNM715v, Leonard Mountain, 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 USNM715v, Leonard Mountain, Glass Mountains?
Fossil.
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Source: Paleobiology Database.