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Record #127805:
Geochemistry and origin of Pliocene and Pleistocene ash layers from the Iceland Plateau, Site 907 / Christian Lacasse, and 6 others.
Title: | Geochemistry and origin of Pliocene and Pleistocene ash layers from the Iceland Plateau, Site 907 / Christian Lacasse, and 6 others. |
Author(s): | Lacasse, Christian. |
Date: | 1993. |
In: | Ocean Drilling Program. Proceedings. Scientific Results. (1993.), Vol. 151(17) (1993) |
Abstract: | Upper 90 m of sediments contain numerous well preserved volcanic ash layers that provide excellent record of source and timing of major Pliocene and Pleistocene explosive eruptions. 23 tephra layers and 6 ash zones were analyzed for major and trace element chemistry and grain size. Relative ages were estimated from palaeomagnetic and oxygen isotope stratigraphy. Most tephra layers are result of ash fallout from large explosions. Major element composition of glasses shows four groups: basalt, basaltic andesite, trachyte and rhyolite. Layers are related to Icelandic or Jan Mayen rock series. |
Notes: | Ocean Drilling Program. Proceedings. Scientific Results. Vol. 151(17) :309-331 (1993). |
Keywords: | 54 -- Chemistry. 550.384 -- Palaeomagnetism. 551.21 -- Volcanoes. 551.217.4 -- Nuees ardentes. 551.782.2 -- Pliocene. 551.791 -- Pleistocene. 552.3 -- Igneous rocks. 91(08) -- Expeditions: 1993 JOIDES Resolution. A -- Geophysical sciences (general). (*3) -- Arctic regions. (*34) -- Jan Mayen. (*35) -- Iceland. (*617) -- Greenland Sea and Fram Strait. |
SPRI record no.: | 127805 |
LDR 01834naa#a2200000#a#4500 001 SPRI-127805 005 20240328150232.0 007 ta 008 240328s1993####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-127805 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aLacasse, Christian. 245 10 ‡aGeochemistry and origin of Pliocene and Pleistocene ash layers from the Iceland Plateau, Site 907 /‡cChristian Lacasse, and 6 others. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 309-331 :‡bdiags., tables, map. 500 ## ‡aOcean Drilling Program. Proceedings. Scientific Results. Vol. 151(17) :309-331 (1993). 520 3# ‡aUpper 90 m of sediments contain numerous well preserved volcanic ash layers that provide excellent record of source and timing of major Pliocene and Pleistocene explosive eruptions. 23 tephra layers and 6 ash zones were analyzed for major and trace element chemistry and grain size. Relative ages were estimated from palaeomagnetic and oxygen isotope stratigraphy. Most tephra layers are result of ash fallout from large explosions. Major element composition of glasses shows four groups: basalt, basaltic andesite, trachyte and rhyolite. Layers are related to Icelandic or Jan Mayen rock series. 650 07 ‡a54 -- Chemistry.‡2udc 650 07 ‡a550.384 -- Palaeomagnetism.‡2udc 650 07 ‡a551.21 -- Volcanoes.‡2udc 650 07 ‡a551.217.4 -- Nuees ardentes.‡2udc 650 07 ‡a551.782.2 -- Pliocene.‡2udc 650 07 ‡a551.791 -- Pleistocene.‡2udc 650 07 ‡a552.3 -- Igneous rocks.‡2udc 650 07 ‡a91(08) -- Expeditions: 1993 JOIDES Resolution.‡2udc 650 07 ‡aA -- Geophysical sciences (general).‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*34) -- Jan Mayen.‡2udc 651 #7 ‡a(*35) -- Iceland.‡2udc 651 #7 ‡a(*617) -- Greenland Sea and Fram Strait.‡2udc 773 0# ‡7nnas ‡tOcean Drilling Program. Proceedings. Scientific Results. ‡gVol. 151(17) (1993) ‡wSPRI-96524 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240328