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Mounseys Creek Plug, Selwyn District, Canterbury Region, New Zealandi
Regional Level Types
Mounseys Creek PlugVolcanic Plug
Selwyn DistrictDistrict
Canterbury RegionRegion
New ZealandCountry

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Latitude & Longitude (WGS84):
43° 15' South , 171° 52' East
Latitude & Longitude (decimal):
-43.25000,171.86667
GeoHash:
G#: rb61yyt6r
GRN:
S29E91
Type:
Volcanic Plug
Age:
30.6 ± 0.44 to 29.9 ± 0.44 Ma
Geologic Time:
Oligocene
Dating method:
K-Ar
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Oxford1,776 (2011)26.2km
Darfield1,593 (2011)32.9km
Arthur’s Pass930 (2011)41.3km
Methven1,236 (2011)46.1km
Dunsandel438 (2011)52.9km
Mindat Locality ID:
344277
Long-form identifier:
mindat:1:2:344277:0
GUID (UUID V4):
0


Nephelinite plug c. 150 m in diameter intrudes sedimentary rocks in Mounseys Creek, which is 11 km WNW of Oxford (McLennan & Weaver 1984).

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
Unclassified
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Fayalite-Forsterite Series'-

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ Fayalite-Forsterite Series
NaSodium
Naⓘ NephelineNa3K(Al4Si4O16)
MgMagnesium
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ NephelineNa3K(Al4Si4O16)
SiSilicon
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ Fayalite-Forsterite Series
KPotassium
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ CalciteCaCO3
TiTitanium
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
FeIron
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ Fayalite-Forsterite Series

Other Regions, Features and Areas containing this locality

Australian Plate
New Zealand
Pacific PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

McLennan, J. M., & Weaver, S. D. (1984). Olivine-nephelinite at Mounseys Creek, Oxford, Canterbury (Note). New Zealand Journal of Geology and Geophysics, 27(3), 389-390.
Woolley, Alan R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. The Geological Society of London. doi:10.1144/mpar4
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