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Kef Cheraya, Cheraia, Collo District, Skikda Province, Algeriai
Regional Level Types
Kef CherayaLava Flow
CheraiaCommune
Collo DistrictDistrict
Skikda ProvinceProvince
AlgeriaCountry

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Latitude & Longitude (WGS84):
37° 0' North , 6° 31' East
Latitude & Longitude (decimal):
37.00000,6.51667
GeoHash:
G#: snsdkr9k9
GRN:
N25E04
Type:
Lava Flow
KΓΆppen climate type:
Csa : Hot-summer Mediterranean climate
Mindat Locality ID:
72852
Long-form identifier:
mindat:1:2:72852:5
GUID (UUID V4):
46f6068f-3fd6-4355-b913-62d91cf921e8


Dacite lava flow at the base of a rhyolite volcano.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
Description: Late phase.
β“˜ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: Late phase.
β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ Anorthite
Formula: Ca(Al2Si2O8)
β“˜ Anorthite var. Bytownite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
β“˜ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Description: At the contact biotite / glass, the biotite is replaced by a reaction rim : enstatite, labradorite, ilmenite, orthoclase, relictual biotite (titanain biotite 62-67 % + montdorite 32-34 %).
β“˜ 'Biotite var. Titanium-bearing Biotite'
β“˜ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
β“˜ Enstatite
Formula: Mg2Si2O6
β“˜ 'Glass'
β“˜ Hercynite
Formula: Fe2+Al2O4
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Orthoclase
Formula: K(AlSi3O8)
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Quartz
Formula: SiO2
β“˜ Sillimanite
Formula: Al2(SiO4)O
Description: Inclusions in cordierite.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Pyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
β“˜Hercynite4.BB.05Fe2+Al2O4
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
Group 9 - Silicates
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Sillimanite9.AF.05Al2(SiO4)O
β“˜Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
β“˜Enstatite9.DA.05Mg2Si2O6
β“˜Orthoclase9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜Anorthite
var. Labradorite		9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
β“˜Albite
var. Andesine		9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
β“˜Anorthite
var. Bytownite		9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
β“˜9.FA.35Ca(Al2Si2O8)
Unclassified
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'var. Titanium-bearing Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Glass'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Oβ“˜ AnorthiteCa(Al2Si2O8)
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Oβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oβ“˜ EnstatiteMg2Si2O6
Oβ“˜ HercyniteFe2+Al2O4
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oβ“˜ OrthoclaseK(AlSi3O8)
Oβ“˜ QuartzSiO2
Oβ“˜ SillimaniteAl2(SiO4)O
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Naβ“˜ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Naβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgβ“˜ EnstatiteMg2Si2O6
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Alβ“˜ AnorthiteCa(Al2Si2O8)
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Alβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alβ“˜ HercyniteFe2+Al2O4
Alβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alβ“˜ OrthoclaseK(AlSi3O8)
Alβ“˜ SillimaniteAl2(SiO4)O
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Siβ“˜ AnorthiteCa(Al2Si2O8)
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Siβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siβ“˜ EnstatiteMg2Si2O6
Siβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siβ“˜ OrthoclaseK(AlSi3O8)
Siβ“˜ QuartzSiO2
Siβ“˜ SillimaniteAl2(SiO4)O
SSulfur
Sβ“˜ PyrrhotiteFe1-xS
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ OrthoclaseK(AlSi3O8)
CaCalcium
Caβ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Caβ“˜ AnorthiteCa(Al2Si2O8)
Caβ“˜ Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Caβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
FeIron
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feβ“˜ HercyniteFe2+Al2O4
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ PyrrhotiteFe1-xS

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate
North Africa

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

www.getamap.net (n.d.) http://www.getamap.net/maps/algeria/skikda/_cheraia_kef/
Fougnot, J., Pichavant, M., Barbey, P. (1996) Biotite resorption in dacite lavas from northeastern Algeria. European Journal of Mineralogy: 8(3): 625-638.
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