Petrology and Petrogenesis of the Monchique Alkaline Complex, Southern Portugal
Monchique is a sizeable subvolcanic ?laccolith, unusual among alkaline complexes in invading sediments and lacking apparent connection with either rifting or orogeny; it may however relate to the opening of the North Atlantic(age = 76 m.y.). The intrusion is predominantly miaskitic syenite, varying...
Published in: | Journal of Petrology |
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Format: | Text |
Language: | English |
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Oxford University Press
1978
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Online Access: | http://petrology.oxfordjournals.org/cgi/content/short/19/2/171 https://doi.org/10.1093/petrology/19.2.171 |