vitric


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Related to vitric: vitric tuff

vitric

[′vi·trik]
(geology)
Referring to a pyroclastic material which is characteristically glassy, that is, contains more than 75% glass.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
0.15 g of each sample was placed in 1.35 ml saline and ten percent of homogenate in the vitric homogenizer at 20 [degrees]C was prepared.
In the IUSS Working Group WRB (2006) classification system, pedons P1, P2, P4, and P5 were classified as Silic Andosols, whereas P3 can be classified as a Vitric Cambisol.
Soils in the region are classified as well-drained, coarse-textured, vitric Andosols mixed with volcanic ash (Anonymous 1975).
Furthermore, since research tends to focus on allophanic Andisols, relatively few references exist for this parameter in non-allophanic or vitric Andisols.
-- A vitric ash bed on the east bank of West Amarillo Creek, Potter County, of the Texas Panhandle occupies a portion of a paleovalley in the Ogallala Formation of late Tertiary age.
Pseudo-morphs after feldspathoid and vitric shards in marginal parts of vesicles are partly or totally dissolved, forming secondary voids, or filled with analcime with mosaic texture.
The soil present is a Horotiu silt loam (Vitric Hapludand) and at the start of the experiment had 13.0% C, 0.06% N, and a pH of 5.1 at 0-7.5 cm depth.
Soils have been classified as well-drained, coarse-textured, vitric Andosols mixed with volcanic ash (FAO/UNESCO 1975).
Burnett; costume design, Kelly Vitric; sound, Felipe Borrero; assistant director, Cas Donovan; casting, Ronnie Yeskel.
Soils are classified as well drained, coarse-textured, vitric Andosols mixed with volcanic ash (Anonymous 1975).
Accessory lithics are crystalline vitric and vitric-crystal ash flow pyroclastic rocks, possibly detached from unit I.1 rocks.