Previous   |    Close   |    Next

Figure F52. Magmatic layering in lithologic Zone G2-2 in gabbro Zone 2 (interval 304-U1309D-11R-2, 0–20 cm). Note that there are both sharp and gradational layer boundaries. Corona texture diagnostic of troctolitic lithologies at this site forms when olivine is altered to light green actinolite surrounded by dark black/green chlorite.

Previous   |    Close   |    Next   |    Top of page