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Ironstone Creek, Collingwood, Tasman Region, South Island, New Zealand

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Latitude & Longitude (WGS84): 40° 46' 34'' South , 172° 42' 3'' East
Latitude & Longitude (decimal): -40.77628,172.70085
GeoHash:G#: rbfb1buuv
Locality type:Creek
Köppen climate type:Cfb : Temperate oceanic climate

Detrital Platinum Group minerals.

Mineral List

4 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

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 Macrostrat.org

Zanclean - Burdigalian
3.6 - 20.44 Ma

ID: 1328831
Undifferentiated Lower Blue Bottom Subgroup siltstone and mudstone

Age: Neogene (3.6 - 20.44 Ma)

Stratigraphic Name: Blue Bottom Group

Description: Blue-grey calcareous siltstone and mudstone basal calcareous sandstone.

Comments: Neogene sedimentary rocks. Age based on absolute age calculated from stratigraphic age range

Lithology: Major:: {siltstone},Minor:: {mudstone, sandstone}

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

5.333 - 23.03 Ma

ID: 1311320
Blue Bottom Group (Miocene)

Age: Miocene (5.333 - 23.03 Ma)

Stratigraphic Name: Blue Bottom Group

Description: Calcareous mudstone and muddy sandstone with local sandy and pebbly limestone.

Comments: Zealandia Megasequence Mainly Marine Sedimentary Rocks (Neogene)

Lithology: Mudstone, sandstone, limestone

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]

Ordovician - Cambrian
443.8 - 541 Ma

ID: 3190452
Paleozoic volcanic and intrusive rocks

Age: Paleozoic (443.8 - 541 Ma)

Lithology: Chert,limestone,tuffaceous sandstone,argillite,amphibolite,schist

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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

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.


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Challis, G.A. (1989) Platinum group metals in New Zealand. In: Kear D. (ed.) Mineral deposits of New Zealand, Australasian Institute of Mining and Metallurgy monograph 13: 25–2.

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