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Record #163909:
Axial seamount basalts in P3 segment of Phoenix Ridge, Drake Passage, Antarctica: K-Ar age determination and geochemistry / Jong Ik Lee, Soon Do Hur, Mi Jung Lee, Kyu Jung Kim, Keisuke Nagao.
Title: | Axial seamount basalts in P3 segment of Phoenix Ridge, Drake Passage, Antarctica: K-Ar age determination and geochemistry / Jong Ik Lee, Soon Do Hur, Mi Jung Lee, Kyu Jung Kim, Keisuke Nagao. |
Author(s): | Lee, Jong Ik. Hur, Soon Do. Lee, Mi Jung. Kim, Kyu Jung. Nagao, Keisuke. |
Date: | 2003. |
Language: | Korean. |
In: | Ocean and Polar Research. (2003.), Vol. 25(1) (2003) |
Abstract: | Presents results of whole-rock geochemical analyses and K-Ar age determination of basalts from axial seamount in Drake Passage. Younger ages towards crest of seamount indicate growth of submarine volcano by central eruptions; composition of trace and rare earth elements indicates formation by hotspot activity rather than seafloor spreading. Transitional alkaline- and subalkaline-series seamount basalts contain small amounts of normative quartz and olivine. Volcanic activity stopped when basaltic magma reached mild alkaline composition. |
Notes: | Ocean and Polar Research. Vol. 25(1) :107-118 (2003). English abstract p.107, and captions in English. |
Keywords: | 551.1/.4 -- Geology. 551.1/.4(26) -- Marine geology. 551.21 -- Volcanoes. 551.46 -- Oceanography, physical. 551.462 -- Submarine topography, bottom forms. 551.462.62 -- Submarine ridges and rises. 550.4 -- Geochemistry. 552.3 -- Igneous rocks. 552.323.5 -- Basalt. 91(08) -- Expeditions: 1978- Korean Antarctic Research Program. 91(08) -- Expeditions: 1999-2000 KARP. B -- Geology and soil sciences. (*7) -- Antarctic regions. (*80) -- Southern Ocean. (*82) -- South Atlantic Ocean. (*821) -- Drake Passage. |
SPRI record no.: | 163909 |
LDR 02153naa#a2200000#a#4500 001 SPRI-163909 005 20231005025141.0 007 ta 008 231005s2003####xx#ab#|##|###|0||#0|kor#d 035 ## ‡aSPRI-163909 040 ## ‡aUkCU-P‡beng‡eaacr 041 0# ‡akor 245 00 ‡aAxial seamount basalts in P3 segment of Phoenix Ridge, Drake Passage, Antarctica :‡bK-Ar age determination and geochemistry /‡cJong Ik Lee, Soon Do Hur, Mi Jung Lee, Kyu Jung Kim, Keisuke Nagao. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2003. 300 ## ‡ap. 107-118 :‡bdiags., tables, maps. 500 ## ‡aOcean and Polar Research. Vol. 25(1) :107-118 (2003). 500 ## ‡aEnglish abstract p.107, and captions in English. 520 3# ‡aPresents results of whole-rock geochemical analyses and K-Ar age determination of basalts from axial seamount in Drake Passage. Younger ages towards crest of seamount indicate growth of submarine volcano by central eruptions; composition of trace and rare earth elements indicates formation by hotspot activity rather than seafloor spreading. Transitional alkaline- and subalkaline-series seamount basalts contain small amounts of normative quartz and olivine. Volcanic activity stopped when basaltic magma reached mild alkaline composition. 546 ## ‡aIn Korean. 650 07 ‡a551.1/.4 -- Geology.‡2udc 650 07 ‡a551.1/.4(26) -- Marine geology.‡2udc 650 07 ‡a551.21 -- Volcanoes.‡2udc 650 07 ‡a551.46 -- Oceanography, physical.‡2udc 650 07 ‡a551.462 -- Submarine topography, bottom forms.‡2udc 650 07 ‡a551.462.62 -- Submarine ridges and rises.‡2udc 650 07 ‡a550.4 -- Geochemistry.‡2udc 650 07 ‡a552.3 -- Igneous rocks.‡2udc 650 07 ‡a552.323.5 -- Basalt.‡2udc 650 07 ‡a91(08) -- Expeditions: 1978- Korean Antarctic Research Program.‡2udc 650 07 ‡a91(08) -- Expeditions: 1999-2000 KARP.‡2udc 650 07 ‡aB -- Geology and soil sciences.‡2local 651 #7 ‡a(*7) -- Antarctic regions.‡2udc 651 #7 ‡a(*80) -- Southern Ocean.‡2udc 651 #7 ‡a(*82) -- South Atlantic Ocean.‡2udc 651 #7 ‡a(*821) -- Drake Passage.‡2udc 700 1# ‡aLee, Jong Ik. 700 1# ‡aHur, Soon Do. 700 1# ‡aLee, Mi Jung. 700 1# ‡aKim, Kyu Jung. 700 1# ‡aNagao, Keisuke. 773 0# ‡7nnas ‡tOcean and Polar Research. ‡gVol. 25(1) (2003) ‡wSPRI-157372 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231005