What is tephra?

Answer

Tephra is fragmental material comprised of rock fragments and particles produced as a result of a volcanic eruption. The name tephra is used in reference to all the material despite its composition, fragment size or emplacement mechanism.
Q&A Related to "What is tephra?"
It is solid material ejected by a volcano, and may include ash, rock, and cinders.
http://wiki.answers.com/Q/What+is+large+fragments+...
Tephra is the general term used by volcanologists for fragments of volcanic rock and lava of any
http://www.chacha.com/question/what-is-a-tephra
(tĕf'rə) n. Solid matter that is ejected into the air by an erupting volcano. [Greek tephrā, ash.]
http://www.answers.com/topic/tefra
Medium -sized tephra
http://www.webanswers.com/science/what-is-a-medium...
2 Additional Answers
Ask.com Answer for: what is tephra
teph·ra
[tef-ruh]
NOUN [(USED WITH A PLURAL VERB)]
1.
clastic volcanic material, as scoria, dust, etc., ejected during an eruption.
Source: Dictionary.com
Tephra is formed during a volcanic eruption from magma expelled into the air. This material cools and solidifies before reaching the ground. Tephra is also known as pyroclasts and can be so light it can travel around the globe carried by the wind.
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com