Also known as Zuni Mountains Chinle Formation Monitor Butte Member Petrified Forest Member Sonsela Sandstone

Where: New Mexico (35.2° N, 108.2° W: paleocoordinates 10.6° N, 47.0° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Monitor Butte/Petrified Forest Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• This flora is stratigraphically below the large flora described from Petrified Forest National Park in Arizona.

• formation-level stratigraphic resolution

Environment/lithology: fluvial; lithified mudstone and lithified, conglomeratic sandstone

Size classes: macrofossils, microfossils

Preservation: mold/impression, adpression, replaced with siderite

Collection methods: quarrying, surface (in situ), mechanical,

Primary reference: S. Ash. 1989. The Upper Triassic Chinle Flora of the Zuni Mountains, New Mexico. New Mexico Geological Society Guidebook, 40th Field Conference, Southeastern Colorado Plateau 225-230 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 23968: authorized by Allister Rees, entered by Dave Sunderlin on 24.07.2002

Creative Commons license: CC BY (attribution)