Lower Fish Creek and Horse Mesa Photo Gallery by Bernard Sanden at pbase.com

Lower Fish Creek and Horse Mesa

Superstition Geology Field Trip #2. This time decending into Lower Fish Creek Gorge near Horse Mesa dam. Geologic highlights included excellent examples of slickenrock, lava flow folding, breccia deposits and a lava dome complex.

First stop: Mesquite Wash hike	Brian expounding	Lava flow striation patterns	Cross-bedded ash between two horizontal deposition layers
Agent 99 picking the lock...no, we actually had the combo	Successfully thru gate	View of winding road down to Lower Fish Creek	Caves
Stop 1: Brecciaville	Breccia near Horse Mesa in Superstition Wilderness	Studying the breccia	Volcanic breccia layers tower above
Don, Jenn, Brian, and Tyler	Tuff layer between two breccia layers	Dissimilar breccia layer erosion	Tower of volcanic outflow
Tyler finds the slickenrock created during a massive fault	Slickenrock formed by ancient earthquake faulting	Alien life forms successfully hiding behind the smeared material	Cliff, clouds, and Earth's largest satellite
Cliff and saguaro	View down into Fish Creek just above Salt River spillway	Lava flow striations	Lava flow folding
Tyler near Horse Mesa	Cliff reflection in spillway	Jenn in collecting mode	Horse Mesa
Don just before being beamed up	Lower Fish Creek just past bridge	Cliff and clouds	Bridge over quiet waters
Late afternoon sun on distant igneous formations	Saguaro skeleton and rock pillar	Last stop before heading back	Mamomaroummmus clouds near Four Peaks
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