Definition of Ashflow. Meaning of Ashflow. Synonyms of Ashflow

Here you will find one or more explanations in English for the word Ashflow. Also in the bottom left of the page several parts of wikipedia pages related to the word Ashflow and, of course, Ashflow synonyms and on the right images related to the word Ashflow.

Definition of Ashflow

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Meaning of Ashflow from wikipedia

- A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively...
- cools and contracts. Columnar jointing can occur in cooling lava flows and ashflow tuffs (ignimbrites), as well as in some shallow intrusions. Columnar jointing...
- center of Central Oregon is viewed as a source of large-volume Pleistocene ashflows, in the US state of Oregon. How big was the volcanic eruption? Imagine...
- eruption 6,600 years ago, identified by radiocarbon dating of wood charred by ashflows. Some of the Glacier Peak ash has been found in strata beneath Mazama Ash...
- and coal. Within the Heritage Group is the Union Glacier Formation of ashflow tuff-lahar deposits, the Hyde Glacier Formation of graywacke-argillite-conglomerate...
- volcanic sandstone. The ignimbrite displays zonation typical of welded ashflow tuffs and is a prominent ridge former. The ignimbrite was radiometrically...
- ago, a period of volcanic activity erupted the fine-grained rhyolite and ashflow tuff, breccia and mudflows of the Mattapan and Lynn volcanic rocks. The...