Ali Adde (Somali: Cali Cadde, Arabic: أدى على‎) is a town in Djibouti. It is located some 69 kilometers south of the capital, Djibouti City, with an elevation of 530 meters above sea level. It sprawls on a wide basin surrounded by granitic mountains on some sides.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

16 valid minerals.

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

ⓘ 'Ignimbritic tuff'

ⓘ Rhyolite

Detailed Mineral List:

ⓘ Bornite

Formula: Cu₅FeS₄

Reference: Moussa, Nima & Boiron, M.C & Grassineau, Nathalie & Asael, Dan & Fouquet, Yves & Le Gall, Bernard & Rolet, Joël & Etoubleau, Joel & Delacourt, Christophe. (2019). Mineralogy, fluid inclusions and stable isotope study of epithermal Au-Ag-Bi-Te mineralization from the SE Afar Rift (Djibouti). Ore Geology Reviews. 111. 10.1016/j.oregeorev.2019.05.002.

Formula: Cu₂S

Formula: CuFeS₂

Formula: CuS

Formula: Cu₉S₅

Formula: PbS

Formula: α-Fe³⁺O(OH)

ⓘ Hematite

Formula: Fe₂O₃

ⓘ Hessite

Formula: Ag₂Te

ⓘ 'K Feldspar'

Formula: KAlSi₃O₈

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi₃O₈

ⓘ Marcasite

Formula: FeS₂

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

ⓘ Pyrite

Formula: FeS₂

ⓘ Pyrrhotite

Formula: Fe_1-xS

ⓘ Quartz

Formula: SiO₂

ⓘ Quartz var. Chalcedony

Formula: SiO₂

ⓘ Sphalerite

Formula: ZnS

ⓘ Tetradymite

Formula: Bi₂Te₂S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Digenite	2.BA.10	Cu₉S₅
ⓘ	Galena	2.CD.10	PbS
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Marcasite	2.EB.10a	FeS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Tetradymite	2.DC.05	Bi₂Te₂S
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Chalcedony	4.DA.05	SiO₂
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Unclassified Minerals, Rocks, etc.
ⓘ	'Chlorite Group'	-
ⓘ	'K Feldspar'	-	KAlSi₃O₈
ⓘ	'var. Adularia'	-	KAlSi₃O₈

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Goethite	α-Fe³⁺O(OH)
O	Oxygen
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
O	ⓘ Quartz	SiO₂
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Hematite	Fe₂O₃
O	ⓘ K Feldspar	KAlSi₃O₈
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Goethite	α-Fe³⁺O(OH)
Al	Aluminium
Al	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ K Feldspar	KAlSi₃O₈
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ K Feldspar	KAlSi₃O₈
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Pyrite	FeS₂
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Sphalerite	ZnS
S	ⓘ Galena	PbS
S	ⓘ Digenite	Cu₉S₅
S	ⓘ Marcasite	FeS₂
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Covellite	CuS
S	ⓘ Tetradymite	Bi₂Te₂S
K	Potassium
K	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ K Feldspar	KAlSi₃O₈
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Fe	Iron
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Digenite	Cu₉S₅
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Covellite	CuS
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ag	Silver
Ag	ⓘ Hessite	Ag₂Te
Te	Tellurium
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Tetradymite	Bi₂Te₂S
Pb	Lead
Pb	ⓘ Galena	PbS
Bi	Bismuth
Bi	ⓘ Tetradymite	Bi₂Te₂S

Geochronology

Mineralization age: Cenozoic : 25 Ma to 19 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 Time

Rocks, Minerals and Events

ⓘ Rhyolite (youngest age)

19 Ma

Paleogene

Oligocene

ⓘ Rhyolite (oldest age)

25 Ma

Fossils

This region is too big to display the fossil list, try looking at smaller subregions.

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Moussa, Nima, Boiron, M.C., Grassineau, Nathalie, Asael, Dan, Fouquet, Yves, Le Gall, Bernard, Rolet, Joël, Etoubleau, Joel, Delacourt, Christophe (2019) Mineralogy, fluid inclusions and stable isotope study of epithermal Au-Ag-Bi-Te mineralization from the SE Afar Rift (Djibouti). Ore Geology Reviews: 111: 102916. DOI: 10.1016/j.oregeorev.2019.05.002.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Ali_Adde
Wikidata ID:	Q1753852

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.

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