1 document found, page 1 of 1

Sort by Issue Date
go first page go previous page
go to page: 1
go next page go last page
rss feed search results

Petrology of the tephrite-phonolite suite and cognate xenoliths of the Fortalez...

Macciotta, Giampaolo; Almeida, Afonso; Barbieri, Mario; Beccaluva, Luigi; Brotzu, Piero; Coltorti, Massimo; Conte, Aida; Garbarino, Carlo

The alkaline district of Fortaleza (Cearä, Brazil) consists of a number of phonotephritic plugs, domes, and dykes cropping out in the Precambrian basement, aged around 30 Ma.Chemically and petrographically the rocks range in composition from tephrites and phonolitic tephrites to peralkaline phonolites. At one locality (Caruru), olivine clinopyroxenite, essexite, and nepheline syenite xenoliths of cognate origin...

Date: 2022   |   Origin: Oasisbr
More info.
go first page go previous page
go to page: 1
go next page go last page
rss feed search results

1 Results

Queried text

Refine Results

Author














Date


Document Type


Access rights


Resource


Subject