Halgaito Shale/Lower Cutler Formation

The Confluence of the Colorado and Green rivers

NPS Photo by Neal Herbert

 

Deposited:
Permian Period (245 to 286 million years ago)

Depositional Environment:
Shallow seas and coastal plains

Appearance:
Ledgy slopes with brown sandstones

Examples:
Confluence of the Green and Colorado rivers and in Cataract Canyon

 

Rock Strata

• Layer Above: Cedar Mesa Sandstone, part of Culter Group Undivided
• Current Layer: Halgaito Shale / Lower Cutler Formation part of Culter Group Undivided
• Layer Below: Honaker Trail Formation