 | | Journal (article/letter/editorial) | | rocks from the St. Paul and Conrad fracture zones in the Atlantic Ocean MASSIMO D’ORAZIO1,2,*, CHIARA... Paul F.Z. (00°37’S-25°34’W, equatorial Atlantic) and Conrad F.Z. (55°29’S-02°05’W, American-Antarctic...mafic-ultramafic reaction zone. The talc-rich hydrothermal rock found at the Conrad F.Z. shows evidence of...possibly in a shear zone. These two occurrences represent an evidence of off-axis ocean floor hydrothermal...hydrothermal minerals, Atlantic Ocean, St. Paul Fracture Zone, Conrad Fracture Zone. 1. Introduction Mg-phyllosilicates |  | | Journal (article/letter/editorial) | | initiation of sea-tloor spreading in the North Atlantic. In the region stretching from Scoresby Sund southward...sites moved SE to centres east of the present Atlantic coast; the Igtertivå Formation and a coast-parallel...at the Atlantic coast. The lavas are essentiaIly flat-lying; a narrow strip along the Atlantic coast is...rifting events during the break-up of the North Atlantic continent, viewed as repeated attempts to straighten...crust. Compared to other regions of the North Atlantic volcanic provinee the Scoresby Sund basalts are |
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