Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

Rahaman, M. A., Van Breemen, O., Bowden, P., & Bennett, J. N. (1984). Age migrations of anorogenic ring complexes in Northern Nigeria. The Journal of Geology, 92(2), 173-184. doi.org/10.1086/628847

ⓘ Aenigmatite

Formula: Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Amblygonite

Formula: LiAl(PO₄)F

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Arfvedsonite

Formula: [Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Astrophyllite

Formula: K₂NaFe²⁺₇Ti₂[Si₄O₁₂]₂O₂(OH)₄F

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ 'Feldspar Group'

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ 'Feldspar Group var. Perthite'

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Fluorite

Formula: CaF₂

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Hedenbergite

Formula: CaFe²⁺Si₂O₆

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Quartz

Formula: SiO₂

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

ⓘ Zircon

Formula: Zr(SiO₄)

Locality: Matsena Occurrence, Machina, Yobe, Ijebu East, Ogun, Nigeria

References:

Turner, D.C. 1974. The younger granites of the Matsena area, Bornu Province, northern Nigeria. Records of the Geological Survey of Nigeria, 8, 5-19.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	Quartz	4.DA.05	SiO₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Amblygonite	8.BB.05	LiAl(PO₄)F
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Hedenbergite	9.DA.15	CaFe²⁺Si₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Astrophyllite	9.DC.05	K₂NaFe²⁺₇Ti₂[Si₄O₁₂]₂O₂(OH)₄F
ⓘ	Arfvedsonite	9.DE.25	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂
ⓘ	Aenigmatite	9.DH.40	Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆]
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Feldspar Group'	-
ⓘ	'var. Perthite'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
H	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
H	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
Li	Lithium
Li	ⓘ Amblygonite	LiAl(PO₄)F
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
O	ⓘ Amblygonite	LiAl(PO₄)F
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
O	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
O	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Quartz	SiO₂
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Amblygonite	LiAl(PO₄)F
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
F	ⓘ Fluorite	CaF₂
F	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Na	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Na	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Al	Aluminium
Al	ⓘ Amblygonite	LiAl(PO₄)F
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Si	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Si	ⓘ Quartz	SiO₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
P	Phosphorus
P	ⓘ Amblygonite	LiAl(PO₄)F
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
K	Potassium
K	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Ca	Calcium
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ti	Titanium
Ti	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Aenigmatite	Na₄[Fe₁₀²⁺Ti₂]O₄[Si₁₂O₃₆]
Fe	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Fe	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z

Fossils

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Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Machina,_Nigeria
Wikidata ID:	Q6723600

Localities in this Region

Nigeria

Yobe
- Machina
  - Matsena Occurrence

Other Regions, Features and Areas that Intersect

AfricaContinent

African PlateTectonic Plate

Tuareg Shield
- Eastern Hoggar BeltVolcanic Arc

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

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Machina, Yobe, Nigeria i
Regional Level Types
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