Okavango Dyke Swarm
Mineralogy
The Okavango dyke swarm is mainly composed of mafic rocks, namely basalt, dolerite, gabbro and olivine-tholeiites. Minerals include 35–45% plagioclase, 20–35% clinopyroxene and Fe-Ti oxides.

Okavango Dyke Swarm

Section Title: Mineralogy
Table Section Text: The Okavango dyke swarm is mainly composed of mafic rocks, namely basalt, dolerite, gabbro and olivine-tholeiites. Minerals include 35–45% plagioclase, 20–35% clinopyroxene and Fe-Ti oxides.

Karoo triple junction	Okavango dyke swarm	Save-Limpopo Dyke Swarm	Lebombo dyke swarm	Olifants River Dyke Swarm

Orientaion	ESE	ENE	N-S	Southern:~N45°, Middle:~N35°, Northern:~N68°

Geology	mainly basalt and dolerite

Age of dykes included	Proterozoic and Mesozoic (~179 Ma in Jurassic)	Proterozoic (>728 Ma)and Mesozoic (131–179 Ma)	Proterozoic (1464 Ma)and Mesozoic (Jurassic)	Archean (<2470 Ma), Proterozoic (<851 Ma) and Mesozoic (Jurassic)

Dyke emplacement controlled by inherited structure	Yes

Sentence(s)

Okavango Dyke Swarm was formed approximately 179 million years ago.

final_sentence: Okavango Dyke Swarm was formed approximately 179 million years ago.