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Hawks Crag, Westport, Buller District, West Coast Region, South Island, New Zealandi
Regional Level Types
Hawks Crag- not defined -
Westport- not defined -
Buller DistrictDistrict
West Coast RegionRegion
South IslandIsland
New ZealandCountry

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Latitude & Longitude (WGS84): 41° 51' 56'' South , 171° 46' 53'' East
Latitude & Longitude (decimal): -41.86560,171.78164
GeoHash:G#: rbd1ufxe4
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Westport3,629 (2013)19.4km
Reefton980 (2011)28.8km


Hawks Crais located on the southern side of the Buller River. The Hawks Crag Breccia extends across the river gorge.

Bedded uraniferous deposits are confined to the Tiroroa facies and interfingering zone of the Hawks Crag Breccia. The most prospected area is north of the Buller River in Tiroroa facies A, where at least 10 uranium-bearing horizons are known ranging in width from a few inches to several feet. Within a horizon, mineralization is patchy, varying from less than 0.025% to 6.4% UO3. The radioactivity is due to uranium, and no significant amounts of thorium have been detected. The main primary mineral is coffinite.

Regions containing this locality

Australian PlatePlate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


23 valid minerals.

Detailed Mineral List:

Anatase
Formula: TiO2
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Becquerelite
Formula: Ca(UO2)6O4(OH)6 · 8H2O
Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Coffinite
Formula: U(SiO4) · nH2O
Dolomite
Formula: CaMg(CO3)2
Dolomite var: Ferroan Dolomite
Formula: Ca(Mg,Fe)(CO3)2
'Ferganite'
Formula: LiH[(UO2)4[VO4]2(OH)4·2H2O
Fluorite
Formula: CaF2
'Gummite'
Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6-8H2O
Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Natrozippeite
Formula: Na5(UO2)8(SO4)4O5(OH)3 · 12H2O
Pyrite
Formula: FeS2
'Pyrobitumen'
'Pyrobitumen var: Thucholite'
Rutherfordine
Formula: (UO2)CO3
Saléeite
Formula: Mg(UO2)2(PO4)2 · 10H2O
Schoepite
Formula: (UO2)8O2(OH)12 · 12H2O
Serpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Sklodowskite
Formula: Mg(UO2)2(SiO3OH)2 · 6H2O
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Tyuyamunite
Formula: Ca(UO2)2(VO4)2 · 5-8H2O
Uraninite
Formula: UO2
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Zircon
Formula: Zr(SiO4)
Zircon var: Cyrtolite
Formula: Zr[(SiO4),(OH)4]

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Becquerelite4.GB.10Ca(UO2)6O4(OH)6 · 8H2O
Schoepite4.GA.05(UO2)8O2(OH)12 · 12H2O
Tyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
var: Ferroan Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
Rutherfordine5.EB.05(UO2)CO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Natrozippeite7.EC.05Na5(UO2)8(SO4)4O5(OH)3 · 12H2O
Serpierite7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Meta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6-8H2O
Metatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Saléeite8.EB.05Mg(UO2)2(PO4)2 · 10H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Group 9 - Silicates
Coffinite9.AD.30U(SiO4) · nH2O
Sklodowskite9.AK.10Mg(UO2)2(SiO3OH)2 · 6H2O
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Zircon9.AD.30Zr(SiO4)
var: Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
Unclassified Minerals, Rocks, etc.
'Ferganite'-LiH[(UO2)4[VO4]2(OH)4·2H2O
'Gummite'-
'Pyrobitumen'-
'var: Thucholite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Anatase4.4.4.1TiO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
AXO3·xH2O
Schoepite5.2.1.3(UO2)8O2(OH)12 · 12H2O
AX6O19·xH2O
Becquerelite5.7.1.2Ca(UO2)6O4(OH)6 · 8H2O
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Rutherfordine14.1.4.1(UO2)CO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Serpierite31.6.2.1Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Miscellaneous
Natrozippeite31.10.4.2Na5(UO2)8(SO4)4O5(OH)3 · 12H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Meta-autunite40.2a.1.2Ca(UO2)2(PO4)2 · 6-8H2O
Metatorbernite40.2a.13.2Cu(UO2)2(PO4)2 · 8H2O
Saléeite40.2a.11.1Mg(UO2)2(PO4)2 · 10H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
Tyuyamunite40.2a.26.1Ca(UO2)2(VO4)2 · 5-8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4U(SiO4) · nH2O
Zircon51.5.2.1Zr(SiO4)
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Sklodowskite53.3.1.3Mg(UO2)2(SiO3OH)2 · 6H2O
Uranophane53.3.1.2Ca(UO2)2(SiO3OH)2 · 5H2O
Unclassified Minerals, Mixtures, etc.
Dolomite
var: Ferroan Dolomite
-Ca(Mg,Fe)(CO3)2
'Ferganite'-LiH[(UO2)4[VO4]2(OH)4·2H2O
'Gummite'-
'Pyrobitumen'-
'var: Thucholite'-
Zircon
var: Cyrtolite
-Zr[(SiO4),(OH)4]

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H BecquereliteCa(UO2)6O4(OH)6 · 8H2O
H CoffiniteU(SiO4) · nH2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H Zircon (var: Cyrtolite)Zr[(SiO4),(OH)4]
H FerganiteLiH[(UO2)4[VO4]2(OH)4·2H2O
H Schoepite(UO2)8O2(OH)12 · 12H2O
H SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
H SaléeiteMg(UO2)2(PO4)2 · 10H2O
H MetatorberniteCu(UO2)2(PO4)2 · 8H2O
H TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
H Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
H SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
H NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2O
LiLithium
Li FerganiteLiH[(UO2)4[VO4]2(OH)4·2H2O
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C DolomiteCaMg(CO3)2
C Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
C CalciteCaCO3
C Rutherfordine(UO2)CO3
OOxygen
O AnataseTiO2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O BecquereliteCa(UO2)6O4(OH)6 · 8H2O
O CoffiniteU(SiO4) · nH2O
O DolomiteCaMg(CO3)2
O UraniniteUO2
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
O CalciteCaCO3
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O Zircon (var: Cyrtolite)Zr[(SiO4),(OH)4]
O FerganiteLiH[(UO2)4[VO4]2(OH)4·2H2O
O Rutherfordine(UO2)CO3
O Schoepite(UO2)8O2(OH)12 · 12H2O
O SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
O SaléeiteMg(UO2)2(PO4)2 · 10H2O
O MetatorberniteCu(UO2)2(PO4)2 · 8H2O
O TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
O Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
O ZirconZr(SiO4)
O SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
O NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2O
FFluorine
F FluoriteCaF2
NaSodium
Na NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2O
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
Mg Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Mg SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
Mg SaléeiteMg(UO2)2(PO4)2 · 10H2O
SiSilicon
Si CoffiniteU(SiO4) · nH2O
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si Zircon (var: Cyrtolite)Zr[(SiO4),(OH)4]
Si SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
Si ZirconZr(SiO4)
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P SaléeiteMg(UO2)2(PO4)2 · 10H2O
P MetatorberniteCu(UO2)2(PO4)2 · 8H2O
P Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
S SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
S NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2O
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca BecquereliteCa(UO2)6O4(OH)6 · 8H2O
Ca DolomiteCaMg(CO3)2
Ca Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Ca CalciteCaCO3
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca FluoriteCaF2
Ca TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Ca Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
Ca SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
TiTitanium
Ti AnataseTiO2
VVanadium
V FerganiteLiH[(UO2)4[VO4]2(OH)4·2H2O
V TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe PyriteFeS2
Fe Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Fe ChalcopyriteCuFeS2
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cu ChalcopyriteCuFeS2
Cu SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ZnZinc
Zn SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ZrZirconium
Zr Zircon (var: Cyrtolite)Zr[(SiO4),(OH)4]
Zr ZirconZr(SiO4)
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U BecquereliteCa(UO2)6O4(OH)6 · 8H2O
U CoffiniteU(SiO4) · nH2O
U UraniniteUO2
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U FerganiteLiH[(UO2)4[VO4]2(OH)4·2H2O
U Rutherfordine(UO2)CO3
U Schoepite(UO2)8O2(OH)12 · 12H2O
U SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
U SaléeiteMg(UO2)2(PO4)2 · 10H2O
U MetatorberniteCu(UO2)2(PO4)2 · 8H2O
U TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
U Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
U NatrozippeiteNa5(UO2)8(SO4)4O5(OH)3 · 12H2O

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

Mesozoic - Devonian
66 - 419.2 Ma



ID: 3188899
Paleozoic-Mesozoic intrusive rocks

Age: Phanerozoic (66 - 419.2 Ma)

Lithology: Intrusive igneous rocks

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]

Cenomanian - Berriasian
93.9 - 145 Ma



ID: 1359732
Hawks Crag Breccia (Pororari Group)

Age: Cretaceous (93.9 - 145 Ma)

Stratigraphic Name: Hawks Crag Breccia

Description: Breccia-conglomerate composed of varying proportions of granitoid rocks and Greenland Group.

Comments: Early Cretaceous sedimentary rocks. Age based on Based on stratigraphic age range

Lithology: Major:: {conglomerate},Minor:: {breccia}

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

Early Cretaceous
100.5 - 145 Ma



ID: 1310755
Pororari Group

Age: Early Cretaceous (100.5 - 145 Ma)

Stratigraphic Name: Pororari Group

Description: Breccia, conglomerate and sandstone, locally hematitic; local basal rhyolitic tuff.

Comments: Zealandia Megasequence Terrestrial and Shallow Marine Sedimentary Rocks (Paleogene to Cretaceous)

Lithology: Breccia, conglomerate, sandstone, 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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Beck, A.C., Reed, J.J., Willett, R.W. (1958) Uranium mineralization in the Hawks Crag Breccia of the Lower Buller Gorge Region, South Island, New Zealand. New Zealand Journal of Geology and Geophysics 1:3, 432-450.
Railton, G.L., Watters, W.A. (1990) Minerals of New Zealand, New Zealand Geological Survey Bulletin No. 104.

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