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Halvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UKi
Regional Level Types
Halvosso Quarry (Halvasso Quarry; Kessel Downs Quarry)Quarry
MabeCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

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PhotosMapsSearch
06836250017271997048815.jpg
Fluorapatite, etc.

Halvosso Quarry, Mabe, Cornwall, England, UK
02438890017271997068072.jpg
Orthoclase

Halvosso Quarry, Mabe, Cornwall, England, UK
06836250017271997048815.jpg
Fluorapatite, etc.

Halvosso Quarry, Mabe, Cornwall, England, UK
02438890017271997068072.jpg
Orthoclase

Halvosso Quarry, Mabe, Cornwall, England, UK
06836250017271997048815.jpg
Fluorapatite, etc.

Halvosso Quarry, Mabe, Cornwall, England, UK
02438890017271997068072.jpg
Orthoclase

Halvosso Quarry, Mabe, Cornwall, England, UK
Latitude & Longitude (WGS84):
50° 9' 37'' North , 5° 10' 2'' West
Latitude & Longitude (decimal):
50.16039,-5.16740
GRN:
N34W03
UK National Grid Reference:
SW738338
Type:
Quarry
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Stithians1,463 (2017)3.2km
Penryn7,326 (2011)4.6km
Ponsanooth967 (2017)4.6km
Constantine819 (2017)4.7km
Perranwell1,207 (2017)6.8km
Mindat Locality ID:
1059
Long-form identifier:
mindat:1:2:1059:0
GUID (UUID V4):
0


Complex pegmatite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals. 1 erroneous literature entry.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Anatase
Formula: TiO2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Bertrandite
Formula: Be4(Si2O7)(OH)2
ⓘ Cassiterite
Formula: SnO2
ⓘ 'Feldspar Group'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorite
Formula: CaF2
ⓘ Herzenbergite
Formula: SnS
Description: Fraudulent Kingsbury locality.
ⓘ 'K Feldspar'
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Gilbertite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Sphalerite
Formula: ZnS
✪ Stokesite
Formula: CaSn[Si3O9] · 2H2O
Habit: Diverging groups of modified bipyramids {243}, rounding to, or separate from {485}
Colour: Colourless, white
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘHerzenbergite ?2.CD.05SnS
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
ⓘAnatase4.DD.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘStokesite9.DM.05CaSn[Si3O9] · 2H2O
ⓘMuscovite
var. Gilbertite		9.EC.15KAl2(AlSi3O10)(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'K Feldspar'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ Muscovite var. GilbertiteKAl2(AlSi3O10)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ StokesiteCaSn[Si3O9] · 2H2O
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnataseTiO2
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ CassiteriteSnO2
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Muscovite var. GilbertiteKAl2(AlSi3O10)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ StokesiteCaSn[Si3O9] · 2H2O
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Muscovite var. GilbertiteKAl2(AlSi3O10)(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ Muscovite var. GilbertiteKAl2(AlSi3O10)(OH)2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ StokesiteCaSn[Si3O9] · 2H2O
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ HerzenbergiteSnS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ Muscovite var. GilbertiteKAl2(AlSi3O10)(OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ StokesiteCaSn[Si3O9] · 2H2O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ AnataseTiO2
FeIron
Feⓘ PyriteFeS2
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
ZnZinc
Znⓘ SphaleriteZnS
SnTin
Snⓘ CassiteriteSnO2
Snⓘ HerzenbergiteSnS
Snⓘ StokesiteCaSn[Si3O9] · 2H2O

Geochronology

Mineralization age: Permian : ~285 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Pegmatite~285 Ma
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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

Halliday, A. N. (1980). The timing of early and main stage ore mineralization in Southwest Cornwall. Economic Geology, 75(5), 752-759.
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