Fountain Formation is a fossil collection site in Fremont, Colorado, cataloged in the Paleobiology Database. Fossils here come from the Fountain Formation, dated to the Morrowan to Atokan (323.4–312.8 million years ago). The depositional environment is recorded as fluvial indet. Documented finds include Lepidophloios laricinus, Sigillaria, Syringodendron, Stigmaria ficoides, Lepidophylloides, Lepidostrobus.

Geologic setting

Formation: Fountain
Geologic interval: Morrowan to Atokan
Age: 323.4–312.8 Ma
Depositional environment: fluvial indet.
Recorded occurrences: 16

Geology notes

Second locality described as a paleosol.\r\n\r\nFountain Formation is generally regarded as a fluvial, orogenic basin

Locality notes

USGS co-ords Cooper Mountain 7 1/2' Quad NE 1/4, SE 1/4, NE 1/4 Sec. 4 T17S, R70W\r\nNE 1/4, SW 1/4, NE 1/4 Sec. 4 T17S, R70W\r\n\r\nPhantom Canyon Quad NE 1/4 SW 1/4 SE 1/4 Sec. 18 T 17S R 68E\r\n\r\nThe material from the 3 localities is not clearly separated in the text\r\n

Fossils found here

Lepidophloios laricinus

NO_CLASS_SPECIFIED · Lepidodendraceae

Sigillaria

NO_CLASS_SPECIFIED · Sigillariaceae

Syringodendron

NO_CLASS_SPECIFIED · Sigillariaceae

Stigmaria ficoides

NO_CLASS_SPECIFIED · NO_FAMILY_SPECIFIED

Lepidophylloides

NO_CLASS_SPECIFIED · Lepidodendraceae

Lepidostrobus

NO_CLASS_SPECIFIED · NO_FAMILY_SPECIFIED

Lepidostrobophyllum

NO_CLASS_SPECIFIED · Lepidodendraceae

Calamites

Polypodiopsida · Calamitaceae

Paripteris gigantea

NO_CLASS_SPECIFIED · NO_FAMILY_SPECIFIED

Cyclopteris

Cycadopsida · Neuropteridae

Mariopteris

NO_CLASS_SPECIFIED · Medullosaceae

Medullosaceae

NO_CLASS_SPECIFIED · Medullosaceae

Records and references

Data: Paleobiology Database collection 11205 (CC BY 4.0) — view the source record

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Questions about Fountain Formation

Can you collect at Fountain Formation?

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 Fountain Formation?

Fossil.

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What to bring

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Meteorite nearbyA 6.7 kg stony meteorite was found at Fremont Butte, 17 miles from here.

Source: Paleobiology Database.