Figure F4. Chilled-margin veins. A. Elongate lens of sphene (titanite) and a crosscutting but parallel chlorite (Chl)-actinolite (Act) vein within a chilled margin (Sample 312-1256D-176R-2, 0–2 cm). B. Albite (Ab)-actinolite vein with irregular boundaries cutting across a chilled margin (Sample 312-1256D-187R-1, 75–77 cm). C. Anorthite (An) vein with chlorite vugs cuts across an actinolite vein (Sample 312-1256D-176R-2, 0–2 cm).
Previous | Close | Next | Top of page