Browse Items (2 total)

  • Title is exactly "Dolerite"

607_Dolerite_1
This is dolerite from the "Dragon's Back" dyke, from the farm Romance. It is the youngest dolerite body in the area and contains biotite and hornblende. Emplacement of this dolerite took place at a much deeper crustal level than the gabbros. It has…

http://dl.dropbox.com/u/66399955/NAO-13.JPG
Doleritic basalt with metamorphic overimprinting in prehnite-pumpellyite facies.
Primary minerals: plagioclase, titanaugite, ilmenite, olivine.
Metamorphic paragenesis: albite, pumpellyite, prehnite, sphene, chlorite.
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