Ash Hill is a volcano in Wiri, in the Auckland volcanic field, in New Zealand. A low tuff cone with an explosion crater about 150m wide, it is now covered by industrial development. It peaked at roughly 30 metres above sea level (approximately 8 metres higher than the surrounding land).
Ash Hill | |
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Highest point | |
Elevation | 30 m (98 ft)(before subdivision) |
Coordinates | 37°00′10″S 174°52′03″E / 37.002754°S 174.867545°E |
Geography | |
Location | Wiri, North Island, New Zealand |
Geology | |
Rock age | 31,800 years[1] |
Volcanic field | Auckland volcanic field |
Ash Hill was named after nearby Ash Road by Searle. Ash Road was named after ash trees, not volcanic ash. Radiocarbon dating gave Ash Hill the age of 31,800 +/- 159 calendar years BP, a similar age to nearby Wiri Mountain.[1]
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A piece of Ash Hill, viewed from Oak Road.
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A view across present day Ash Hill.
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A view of part of Ash Hill before obscuring buildings were removed.
References
edit- City of Volcanoes: A geology of Auckland - Searle, Ernest J.; revised by Mayhill, R.D.; Longman Paul, 1981. First published 1964. ISBN 0-582-71784-1.
- Volcanoes of Auckland: A Field Guide. Hayward, B.W.; Auckland University Press, 2019, 335 pp. ISBN 0-582-71784-1.
- ^ a b Hopkins, Jenni L.; Smid, Elaine R.; Eccles, Jennifer D.; Hayes, Josh L.; Hayward, Bruce W.; McGee, Lucy E.; van Wijk, Kasper; Wilson, Thomas M.; Cronin, Shane J.; Leonard, Graham S.; Lindsay, Jan M.; Németh, Karoly; Smith, Ian E. M. (3 July 2021). "Auckland Volcanic Field magmatism, volcanism, and hazard: a review". New Zealand Journal of Geology and Geophysics. 64 (2–3): 213–234. doi:10.1080/00288306.2020.1736102. hdl:2292/51323.