Donate now to keep alive!Help|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
What is a mineral?The most common minerals on earthMineral PhotographyThe Elements and their MineralsGeological TimeMineral Evolution
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Hendersons Quarry, Mount Ngongotaha, Rotorua, Bay of Plenty, North Island, New Zealand

This page is currently not sponsored. Click here to sponsor this page.
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 List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

18 valid minerals.

Regional Geology

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

0.0117 - 2.588 Ma

ID: 1313747
Middle Quaternary rhyolite

Age: Pleistocene (0.0117 - 2.588 Ma)

Stratigraphic Name: Pakihi Supergroup, Ruaumoko Volcanic Region

Description: Rhyolite lavas, commonly forming dome complexes, with associated breccia and tuff.

Comments: Zealandia Megasequence Extrusive and Intrusive Rocks (Neogene)

Lithology: Rhyolite, breccia, tuffite

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. [12]

Middle Pleistocene
0.126 - 0.781 Ma

ID: 1364680
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

Description: Rhyolite lava variably with lesser pumice and breccia as a carapace.

Comments: Middle Pleistocene igneous rocks. Age based on mixed

Lithology: Major:: {rhyolite},Minor:: {pumice, breccia}

Reference: Heron, D.W. . Geology Map of New Zealand 1:250 000. GNS Science Geological Map 1. [13]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grapes, R., Thornton, J., and Howard, D. (1993). Vug minerals in rhyolite, Hendersons Quarry, Mount Ngongotaha, Geological Society of New Zealand, Miscellaneous Publication 79A: 76.
Richnow, Jens (1999): Eruptional and post-eruptional processes in rhyolite domes. PhD thesis, University of Canterbury.

External Links

Mineral and/or Locality is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © and the Hudson Institute of Mineralogy 1993-2018, except where stated. relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 19, 2018 04:01:06 Page generated: January 18, 2018 07:00:23
Go to top of page