Hendersons Quarry, Mount Ngongotaha, Rotorua, Bay of Plenty, North Island, New Zealand
|Latitude & Longitude (WGS84):||38° 5' 47'' South , 176° 12' 33'' East|
|Latitude & Longitude (decimal):||-38.09652,176.20939|
|Köppen climate type:||Cfb : Temperate oceanic climate|
Mt. Ngongotaha is a rhyolite dome with high-temperature gas phase-deposited silicate and oxide minerals present in vesicules.
This is an operating quarry, for aggregate, about 5km north of Rotorua, and access to collectors is very restricted.
Commodity ListThis is a list of exploitable or exploited mineral commodities recorded at this locality.
18 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
0.0117 - 2.588 Ma
|Middle Quaternary rhyolite|
Age: Pleistocene (0.0117 - 2.588 Ma)
Stratigraphic Name: Pakihi Supergroup, Ruaumoko Volcanic Region
Comments: Zealandia Megasequence Extrusive and Intrusive Rocks (Neogene)
Reference: Edbrooke, S.W., Heron, D.W., Forsyth, P.J., Jongens, R. (compilers). Geology Map of New Zealand 1:1 000 000. GNS Science Geological Map 2. 
0.126 - 0.781 Ma
|Undifferentiated Middle Pleistocene rhyolite of Ohakuri, Kapenga and Rotorua Volcanic Centres|
Age: Pleistocene (0.126 - 0.781 Ma)
Stratigraphic Name: Ohakuri, Kapenga and Rotorua volcanic centres
Reference: Heron, D.W. . Geology Map of New Zealand 1:250 000. GNS Science Geological Map 1.