FN Archimer Export Format
PT J
TI An occurrence of Tuhua Tephra in deep-sea sediments from offshore eastern North Island, New Zealand
BT 
AF MANIGHETTI, B
   PALMER, A
   EDEN, D
   ELLIOT, M
AS 1:1;2:2;3:3;4:4;
FF 1:;2:;3:;4:;
C1 Natl Inst Water & Atmospher Res, Wellington, New Zealand.
   Massey Univ, Palmerston North, New Zealand.
   Landcare Res, Palmerston North, New Zealand.
   Whangarei Boys High Sch, Whangarei, New Zealand.
C2 NIWA, NEW ZEALAND
   UNIV MASSEY, NEW ZEALAND
   LANDCARE RES, NEW ZEALAND
   WHANGAREI BOYS HIGH SCH, NEW ZEALAND
IF 1.189
TC 7
UR https://archimer.ifremer.fr/doc/00225/33656/32097.pdf
LA English
DT Article
CR IMAGES 3-IPHIS-MD106
BO Marion Dufresne
DE ;Mayor Island;tephrochronology;Holocene;Tuhua Tephra;isopach
AB We identify c. 7000 cal yr BP Tuhua Tephra in a marine sediment core from offshore eastern North Island, New Zealand. Its mineral assemblage includes aegirine, which is diagnostic for the Tuhua (Mayor Island) Volcanic Centre, and electron microprobe analyses of glass shards yield compositions close to published analyses of the tephra onshore, closer to the source. Associated radiocarbon ages on planktonic foraminifera from the core show that its age lies within the range previously determined for the caldera-forming event that generated Tuhua Tephra. This occurrence, >380 km southeast of the source, indicates that the dispersal of the ash was bi-directional, and that earlier estimates of this tephra's volume may be conservative.
PY 2003
PD DEC
SO New Zealand Journal Of Geology And Geophysics
SN 0028-8306
PU Taylor & Francis Ltd
VL 46
IS 4
UT 000187576500009
BP 581
EP 590
DI 10.1080/00288306.2003.9515031
ID 33656
ER

EF