TY - JOUR
T1 - Rock Scismic anisotropy of the low-velocity zone beneath the volcanic front in the mantle wedge
AU - Michibayashi, Katsuyoshi
AU - Oohara, Tatsuya
AU - Satsukawa, Takako
AU - Ishimaru, Satoko
AU - Arai, Shoji
AU - Okrugin, Victor M.
PY - 2009/6
Y1 - 2009/6
N2 - Peridotite xenoliths derived from the low velocity zone beneath the Avacha frontal volcano, Kamchatka, preserve a-axis slip fabrics, comparable with those in xenoliths from the back-arc region of the NE Japan. Although low-velocity zones are commonly attributed to zones of partially melted mantle, migration of the melt does not erase the existing olivine fabrics and related Scismic anisotropics. These anisotropics may counteract the anisotropics associated with c-axis slip fabrics, if they exist, along the slab or in the high-pressure zone.
AB - Peridotite xenoliths derived from the low velocity zone beneath the Avacha frontal volcano, Kamchatka, preserve a-axis slip fabrics, comparable with those in xenoliths from the back-arc region of the NE Japan. Although low-velocity zones are commonly attributed to zones of partially melted mantle, migration of the melt does not erase the existing olivine fabrics and related Scismic anisotropics. These anisotropics may counteract the anisotropics associated with c-axis slip fabrics, if they exist, along the slab or in the high-pressure zone.
UR - http://www.scopus.com/inward/record.url?scp=68749088374&partnerID=8YFLogxK
U2 - 10.1029/2009GL038527
DO - 10.1029/2009GL038527
M3 - Article
AN - SCOPUS:68749088374
SN - 0094-8276
VL - 36
SP - 1
EP - 5
JO - Geophysical Research Letters
JF - Geophysical Research Letters
IS - 12
M1 - L12305
ER -