Regional Level Types | |
---|---|
Khungtukun Massif | Massif |
Malaya Romanikha River | River |
Khatanga | River |
Taimyr Peninsula | Peninsula |
Taymyrskiy Autonomous Okrug | - not defined - |
Krasnoyarsk Krai | Krai |
Russia | Country |
ⓘAlbite Formula:Na(AlSi3O8) References: |
ⓘAlbite var. Andesine Formula:(Na,Ca)[Al(Si,Al)Si2O8] References: |
ⓘAnorthite Formula:Ca(Al2Si2O8) Description: The plagioclase in the gabbro grades from labradorite (~An69) in the cores to andesine (~An39) in the rims. The close proximity of the core plagioclase composition to the labradorite-bytownite nomenclature boundary suggests that with a bit of additional searching, slightly more Ca-rich zones that would normalize to bytownite could likely be discovered. |
ⓘAnorthite var. Labradorite Formula:(Ca,Na)[Al(Al,Si)Si2O8] Description: The plagioclase in the gabbro grades from labradorite (~An69) in the cores to andesine (~An39) in the rims. The close proximity of the core plagioclase composition to the labradorite-bytownite nomenclature boundary suggests that with a bit of additional searching, slightly more Ca-rich zones that would normalize to bytownite could likely be discovered. |
ⓘArmalcolite Formula:(Mg,Fe2+)Ti2O5 References: |
ⓘAugite Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6 References: |
ⓘCalcite Formula:CaCO3 References: |
ⓘCohenite Formula:Fe3C References: |
ⓘCopper Formula:Cu References: |
ⓘFayalite Formula:Fe2+2SiO4 Description: the olivine in the sample grades from a very Fe-rich forsterite (~Fo53) in the center of grains to low-Mg fayalite (~Fo16)in the outermost rims. Although the olivine "cores" are relatively equant, the more Fe-rich rims are wide and irregular. |
ⓘForsterite Formula:Mg2SiO4 References: |
✪Graphite Formula:C Habit: cubic pseudomorphs; rarely rhombic dodecahedra and tetrahexahedra |
ⓘHematite Formula:Fe2O3 |
ⓘHercynite Formula:Fe2+Al2O4 Description: Occurs as isolated grains in the gabbro and seems indicative of assimilation of argillaceous and perhaps ferruginous country rocks during emplacement. |
ⓘIlmenite Formula:Fe2+TiO3 Description: The dominant oxide in the gabbro. |
ⓘIron Formula:Fe |
ⓘIron var. Kamacite Formula:(Fe,Ni) References: |
ⓘ'K Feldspar' Description: Unclear whether this is sanidine or orthoclase, although it is high in Na (up to 0.27apfu) and some material also contains notable Ba (0.5 wt%). Occurs as scattered anhedral grains in the gabbro and may be the result of some assimilation of argillaceous (pelitic) country rocks. |
ⓘMagnetite Formula:Fe2+Fe3+2O4 References: |
ⓘPigeonite Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6 Description: Occurs as scattered grains in the gabbro; less abundant than the augite. |
ⓘTroilite Formula:FeS References: |
ⓘWüstite Formula:FeO References: |
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Copper | 1.AA.05 | Cu |
ⓘ | Iron | 1.AE.05 | Fe |
ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
ⓘ | Cohenite | 1.BA.05 | Fe3C |
ⓘ | Graphite | 1.CB.05a | C |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Troilite | 2.CC.10 | FeS |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Wüstite | 4.AB.25 | FeO |
ⓘ | Hercynite | 4.BB.05 | Fe2+Al2O4 |
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | Hematite | 4.CB.05 | Fe2O3 |
ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
ⓘ | Armalcolite | 4.CB.15 | (Mg,Fe2+)Ti2O5 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
Group 9 - Silicates | |||
ⓘ | Fayalite | 9.AC.05 | Fe2+2SiO4 |
ⓘ | Forsterite | 9.AC.05 | Mg2SiO4 |
ⓘ | Pigeonite | 9.DA.10 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
ⓘ | var. Andesine | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
ⓘ | var. Labradorite | 9.FA.35 | (Ca,Na)[Al(Al,Si)Si2O8] |
Unclassified | |||
ⓘ | 'K Feldspar' | - |
C | Carbon | |
---|---|---|
C | ⓘCalcite | CaCO3 |
C | ⓘCohenite | Fe3C |
C | ⓘGraphite | C |
O | Oxygen | |
O | ⓘAlbite | Na(AlSi3O8) |
O | ⓘAlbite var.Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
O | ⓘAnorthite | Ca(Al2Si2O8) |
O | ⓘArmalcolite | (Mg,Fe2+)Ti2O5 |
O | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘCalcite | CaCO3 |
O | ⓘFayalite | Fe22+SiO4 |
O | ⓘForsterite | Mg2SiO4 |
O | ⓘHematite | Fe2O3 |
O | ⓘHercynite | Fe2+Al2O4 |
O | ⓘIlmenite | Fe2+TiO3 |
O | ⓘAnorthite var.Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
O | ⓘMagnetite | Fe2+Fe23+O4 |
O | ⓘPigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘWüstite | FeO |
Na | Sodium | |
Na | ⓘAlbite | Na(AlSi3O8) |
Na | ⓘAlbite var.Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
Na | ⓘAnorthite var.Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
Mg | Magnesium | |
Mg | ⓘArmalcolite | (Mg,Fe2+)Ti2O5 |
Mg | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘForsterite | Mg2SiO4 |
Mg | ⓘPigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Al | Aluminium | |
Al | ⓘAlbite | Na(AlSi3O8) |
Al | ⓘAlbite var.Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
Al | ⓘAnorthite | Ca(Al2Si2O8) |
Al | ⓘHercynite | Fe2+Al2O4 |
Al | ⓘAnorthite var.Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
Si | Silicon | |
Si | ⓘAlbite | Na(AlSi3O8) |
Si | ⓘAlbite var.Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
Si | ⓘAnorthite | Ca(Al2Si2O8) |
Si | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | ⓘFayalite | Fe22+SiO4 |
Si | ⓘForsterite | Mg2SiO4 |
Si | ⓘAnorthite var.Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
Si | ⓘPigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
S | Sulfur | |
S | ⓘTroilite | FeS |
Ca | Calcium | |
Ca | ⓘAlbite var.Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
Ca | ⓘAnorthite | Ca(Al2Si2O8) |
Ca | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ca | ⓘCalcite | CaCO3 |
Ca | ⓘAnorthite var.Labradorite | (Ca,Na)[Al(Al,Si)Si2O8] |
Ca | ⓘPigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ti | Titanium | |
Ti | ⓘArmalcolite | (Mg,Fe2+)Ti2O5 |
Ti | ⓘIlmenite | Fe2+TiO3 |
Fe | Iron | |
Fe | ⓘArmalcolite | (Mg,Fe2+)Ti2O5 |
Fe | ⓘAugite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘCohenite | Fe3C |
Fe | ⓘFayalite | Fe22+SiO4 |
Fe | ⓘHematite | Fe2O3 |
Fe | ⓘHercynite | Fe2+Al2O4 |
Fe | ⓘIlmenite | Fe2+TiO3 |
Fe | ⓘIron | Fe |
Fe | ⓘIron var.Kamacite | (Fe,Ni) |
Fe | ⓘMagnetite | Fe2+Fe23+O4 |
Fe | ⓘPigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘTroilite | FeS |
Fe | ⓘWüstite | FeO |
Ni | Nickel | |
Ni | ⓘIron var.Kamacite | (Fe,Ni) |
Cu | Copper | |
Cu | ⓘCopper | Cu |