About this location
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Found Here
Geologic setting
- Formation
- Chinle
- Geologic interval
- Norian
- Age
- 227.3–205.7 Ma
- Depositional environment
- wet floodplain
- Recorded occurrences
- 76
"a soft, vegetated pond bottom or other quiet water deposit"; "ancient pond or marsh, an environment of low-energy water flow that may have been seasonally low or dry (as indicated by numerous evaporites." But re-interpreted as a humid-environment soil.
grassy valley near Romero Spring, approx. 10.5 km SW of St. Johns, eastern Apache County. In SW 1/4, NW 1/2, sec 14, T12N, R27E, near W edge of a low terrace along a tributary arroyo of Big Hollow Wash, at UTM 641260E, 3811730N, zone 12.
Fossils found here
Showing 48 of 62 identified taxa.
Records and references
Data: Paleobiology Database collection 39160 (CC BY 4.0) — view the source record
Difficulty
Getting there
Location on Map
Coordinates: 34.43742, -109.46249
Nearby rockhounding locations
- Krzyzanowski Bonebed, NMMNH L-3764 — FossilAZ · 7.9 mi
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- NMMNH L-6818, Blue Hills — FossilAZ · 9.2 mi
- UCMP V4924, Hunt 2 quarry — FossilAZ · 14.9 mi
- Stinking Springs SMU 255 — FossilAZ · 17.7 mi
Recommended Gear for Arizona
Estwing E3-22P Rock Pick
The industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.
Clear Anti-Fog Safety Glasses (4 Pack)
Adjustable, anti-fog lenses for clear vision in any conditions. About $5 per pair.
Watertight Medical Kit
Compact, waterproof first aid kit with bandages, moleskin, and field essentials.
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