Clastic Dikes: Dispelling a Periglacial Origin
What Does Periglacial Mean? "Periglacial" is a term that packs a punch. Like "tundra" or "permafrost", it stands in for a full suite of...
Clastic Dikes: Whence Upward Intrusion?
Upward tapering clastic dikes are very rare in the Touchet Beds. Nearly all clastic dikes in the Channeled Scabland are wedge-shaped and...