Biotite from
El Naga Ridge, Red Sea Governorate, Egypt

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Predictive Mineralogy

Classification
Locality type:	Ridge
Species:	'Biotite' (not an IMA approved species)
Formula:	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Confirmation
Validity:	Believed Valid
Data
Mineral Data:	Click here to view Biotite data
Locality Data:	Click here to view El Naga Ridge, Red Sea Governorate, Egypt
Data Identifiers
Mindat Occurrence Record ID:	1424386
Long-form Identifier:	1:3:1424386:0
GUID (UUID V4):	0
Nearest other occurrences of Biotite

22.3km (13.9 miles)	ⓘ Mishbih Complex, Red Sea Governorate, Egypt
47.1km (29.3 miles)	ⓘ Betam mine, Wadi Allaqi district, Red Sea Governorate, Egypt
47.5km (29.5 miles)	ⓘ Um El Tuyor Mine (Umm Tuyur), Wadi Allaqi District, Red Sea Governorate, Egypt
52.3km (32.5 miles)	ⓘ Nigrub El Fogani Complex, Red Sea Governorate, Egypt
65.0km (40.4 miles)	ⓘ Gebel Shalman-Wadi Biarn pegmatites, Red Sea Governorate, Egypt
66.9km (41.6 miles)	ⓘ Um Ara area, Red Sea Governorate, Egypt
93.4km (58.1 miles)	ⓘ El Gezira Complex, Red Sea Governorate, Egypt
References
Abdel-Aziz, A.H. & Hassan, M.A. 1973. Further contribution to geology and geochemistry of some Egyptian ring complexes. Annals of the Geological Survey of Egypt, 3, 167-175. El Ramly, M.F., Budanov, V.I. & Hussein, A.A.A. 1971. The alkaline rocks of south-eastern Egypt. Geological Survey of Egypt, Paper, 53. El Ramly, M. F., Budanov, V. I., Armanious, L. K., & Dereniuk, N. E. (1969). The three ring complexes of Gabal El Kahfa, GabalNigrub El Fogani and Gabal El Naga, south Eastern Desert of Egypt. Geol. Surv. Egypt, paper, (52), 39. Meneisy, M. Y., & MY, M. (1974). POTASSIUM-ARGON AGES OF NEPHELINE SEYENITE RING COMPLEXES IN EGYPT. Geologisches Jahrbuch, Hannover, D9, 33-39. Hashad, A. H., AH, H., & EL REEDY, M. W. M. (1979). Geochronology of the anorogenic alkalic rocks South Eastern Desert, Egypt. Annals of the Geological Survey of Egypt, 9, 81-101. Serencsits, C. M., CM, S., KA, F., & El Ramly, M. F. (1979). Alkaline ring complexes in Egypt: their ages and relationship to tectonic development of the Red Sea. Annals of the Geological Survey of Egypt, 9, 102-116. Soliman, M. M. (1987). The younger granites and ring complexes of the Southeastern Desert of Egypt and their relation to mineralization. Journal of African Earth Sciences (1983), 6(5), 745-754. doi.org/10.1016/0899-5362(87)90010-8

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Biotite from El Naga Ridge, Red Sea Governorate, Egypt

Biotite from
El Naga Ridge, Red Sea Governorate, Egypt