Locality type:

Fissure

Classification

Species:

Aegirine-augite

Formula:

(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Aegirine-augite data

Locality Data:

Click here to view Sagatu Ridge, Arsi Zone, Oromia Region, Ethiopia

Data Identifiers

Mindat Occurrence Record ID:

1425151

Long-form Identifier:

1:3:1425151:3

GUID (UUID V4):

4da7e1e7-9eba-4408-9643-9dba463f3bdd

References

Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.

Mohr, P. A., & Potter, E. C. (1976). The Sagatu Ridge dike swarm, Ethiopian rift margin. Journal of Volcanology and Geothermal Research, 1(1), 55-71. doi.org/10.1016/0377-0273(76)90018-4

Mohr, P. (1980). Geochemical aspects of the Sagatu dyke swarm, Ethiopian Rift margin. In Geodynamic Evolution of the Afro-Arabian Rift System (Vol. 47, pp. 387-406).

Kennan, P. S., Mitchell, J. G., & Mohr, P. (1990). The Sagatu Ridge dyke swarm, Ethiopian rift margin: revised age and new Sr-isotopic data. Journal of African Earth Sciences (and the Middle East), 11(1-2), 39-42. doi.org/10.1016/0899-5362(90)90075-P

Reference Search (possible matching items)

	*Mohr, P.A., Potter, E.C. (1976) The sagatu ridge dike swarm, ethiopian rift margin. Journal of Volcanology and Geothermal Research, 1 (1) 55-71 doi:10.1016/0377-0273(76)90018-4*	Journal (article/letter/editorial)
	Printed in The Netherlands 55 THE S A G A T U RIDGE DIKE SWARM, E T H I O P I A N R I F T M A R G I...ABSTRACT Mohr, P.A. and Potter, E.C., 1976. The Sagatu Ridge dike swarm, Ethiopian rift margin. J. Volcanol...55--71. A swarm of dikes forms the core of the Sagatu Ridge, a 70 km long topographic feature elevated to...the level of the Eastern (Somalian) plateau. The ridge trends NNE and lies about 50 km east of the northeasterly...however, bypassed the ridge. The peculiar situation and orientation of the Sagatu Ridge, and its temporary
	*(1991) Magmatism in Extensional Structural Settings. Springer Berlin Heidelberg. doi:10.1007/978-3-642-73966-8*	Book
	extending mostly between Sudan, Egypt and W. Ethiopia. The potential contributors approached (J. R....Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and...elongated troughs located on, or near, the suture zone of the trans-Saharan belt, either on the eastern
	*Macdougal, J. D. - Ed.* (1988) Continental Flood Basalts. Springer Netherlands. doi:10.1007/978-94-015-7805-9**	Book
	rocks of Weiser (W). The cratonic margin (suture zone) is shown, and the Klamath-Blue Mountains Lineament...(Anso)' less than 5% olivine phenocrysts and some augite phenocrysts. RC flows, in contrast, have a coarsegrained...6S )' more than 5% olivine phenocrysts. and lack augite phenocrysts. AB flows tend to have higher A1 20...the normal matrix of plagioclase, clinopyroxene (augite and pigeonite), and opaques with variable proportions...Orchards; Wc = Weissenfels Ridge, Cloverdale flow; Wt = Weissenfels Ridge, Tenmile Creek flow; Porn =

Aegirine-augite from Sagatu Ridge, Arsi Zone, Oromia Region, Ethiopia

Aegirine-augite from
Sagatu Ridge, Arsi Zone, Oromia Region, Ethiopia