Olkaria volcano, Hell’s Gate National Park, Rift Valley Province, Kenya

Ref.: Mineralogical Magazine, August 1998, V. 62, N° 4, pp. 477-486. / Journal of Petrology, Vol. 42, N° 4, pp. 825-845, 2001. / Mineralogical Magazine, Volume 66, Number 2, 1 April 2002, pp. 287-299(13) / The United Nations University, GEOTHERMAL TRAINING PROGRAMME Reports 2004, Number 1, Orkustofnun, Grensásvegur 9, IS-108 Reykjavík, Iceland.

Located 85 km NW of Nairobi.
Peralkaline rhyolite.

Mineral List:

	Aegirine

	Albite

	Biotite

	Calcite

	Chevkinite-(Ce)

	Epidote

	Ferrorichterite

	Fluorite

	'Garnet Group'

	'Glass'

	Hedenbergite

	'K Feldspar'

	Montdorite

	Orthoclase var: Adularia

	Prehnite

	Quartz

	Riebeckite

	Titanite

	'Zeolite Group'

19 entries listed. 13 valid minerals.

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