Volcanic. Volcanic pyroclastic rocks are formed by explosive eruption of lava
and any rocks which are entrained within the eruptive ...
Volcanic breccias are grouped into three major categories based upon process
of fragmentation: autoclastic, pyroclastic, and epiclastic. Autoclastic volcanic ...
Breccia is a clastic sedimentary rock similar to conglomerate that can form in a ...
of igneous rock debris that was ejected by a volcanic blast or pyroclastic flow.
A volcanic breccia is a rock composed predominantly of angular fragments
resulting from brecciation or emplacement due to volcanic action: it may, or may
, like conglomerate, consists of pieces of mixed size, but the large pieces are broken. This breccia
is in volcanic
rock that has later been altered.
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Volcanic breccia is an igneous rock with large, angular fragments of volcanic
material. This breccia probably formed during a violent volcanic eruption. Breccia
mrdata.usgs.gov/geology/state/sgmc-lith.php?text= volcanic breccia (agglomerate)
This category is also used for volcanic breccia (agglomerate). ... Volcanic rocks of
this unit are inferred to be derived from vents and volcanoes above magma ...
Get information, facts, and pictures about Breccia at Encyclopedia.com. ...
Volcanic breccias containing lithic (rock) and vitric (glass and pumice ) fragments
Volcanic Breccia igneous rock specimens are good for earth science classroom
education, labs, home school geology and kids rock kits. Volcanic ash is good ...
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Encyclopedia, Wikipedia. Related to Volcanic breccia: brecciation. click for a