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Id:
ZLV/HER-001
Class
Volcano
Description
"Herbert Peak Hawaiite (8.5 – 8.0 Ma) After a period of quiescence, volcanic activity shifted from Lyttelton Volcano to the Mt Herbert region . During this period, there was deep erosion in the crater, with breaches in the southeast, and possibly, southwest crater rim and slopes of the Lyttelton Volcano edifice. The Mt Herbert Volcanic Group (9.7 – 8.0 Ma) initially began from vents in the Lyttelton crater and then migrated south-eastwards to the crater rim breach, erupting ~100km 3 of material. Lava erupted from a vent 50 m southeast of Mt Herbert, producing flat lying, columnar to tabular jointed, grey aphyric to phyric hawaiites that cap Mt Bradley and Mt Herbert dipping to the north at 2° noted low ash abundance, indicating activity was dominantly of Hawaiian-type, from a fissure vent eruption. The characteristic thick columnar jointed flows is linked to extrusion of lavas onto an almost flat lying surface" Hampton, S. J. (2010) https://ir.canterbury.ac.nz/handle/10092/4117 p13
Radius of Activation Zone
Within 0.8km, or within sight
Public access to AZ
Yes Info (what does this mean?)
Via DOC track(s): Summit Wway Mt Herbert To Port Levy; Mt Herbert W/Way Diamond Harbour Section; Mt Bradley Track (Delete)
Via park(s): Mt Herbert Scenic Reserve
Via unformed legal road(s)
Field Name
Mount Herbert Volcanic Group
Height
Date Range
8.5M years ago
Eon
Phanerozoic
Era
Cenozoic
Period
Neogene
Epoch
Miocene
Region
Canterbury
Iwi
Ngāi Tahu country
Location
NZTM2000: 1579132, 5162582 (alt: 917m)
Maidenhead
RE66ih
Active?
Yes
Valid for NZART awards?
No
Valid From
1900-01-01
Links:
 
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Summits
[ZL3/CB-678] Mount Herbert/Te Ahu Patiki
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