Adam Marshall

NIGHT TRAIN

New Kanada

nk44

Info:

Exposed Within The Interior Of These Tracks Are A Variety Of Intrusive And Extrusive Igneous Structures. They Include The Extensive Hydrothermal Alteration Of Rhyolites And Gabbros And A Central Megabreccia Created By Hydrothermal Dissolution And Collapse. The Siliceous Megabreccia Is At Least 40m Thick In Its Center - To Only A Few Meters Thick Along Its Edges. The Breccia Consists Of Fragments Of White To Dark Gray Cherty Material, Quartz-rich Bass, Diagenetic Clap Nodules, And Stromatolitic Snares. It Is Intensively Silicified.