Table T9.

Table T9. Abbreviations used in the Leg 183 alteration and vein/structure logs.

Colors
Minerals Mineral proportions Other

B = brown
Am, Si = amorphous silica Tr = trace (<1%) Ox = oxidized

Bl = blue
C = clay X + Y = 50:50 x:y P = piece(s)

Bk = black
CO₃_{= calcium carbonate} X > Y = 70:30 x:y V = vertical

G = gray
Cu = native copper X >> Y = 90:10 x:y R = rubble

Gn = green
Cp = chalcopyrite X>>>Y = 99:1 x:y Blank = same as above

Pk = pink
FeOx = iron-oxyhydroxides
-> = altered to

Pr = purple
Go = goethite
Bx = breccia

R = red
He = hematite

Or = orange
Ol = olivine

W = white
Pl = plagioclase

G-Gn = gray-green, etc.
Py = pyrite

Lt = light
Gyp = gypsum

Dk = dark
Z = zeolite

Colors	Minerals	Mineral proportions	Other
B = brown	Am, Si = amorphous silica	Tr = trace (<1%)	Ox = oxidized
Bl = blue	C = clay	X + Y = 50:50 x:y	P = piece(s)
Bk = black	CO₃_{= calcium carbonate}	X > Y = 70:30 x:y	V = vertical
G = gray	Cu = native copper	X >> Y = 90:10 x:y	R = rubble
Gn = green	Cp = chalcopyrite	X>>>Y = 99:1 x:y	Blank = same as above
Pk = pink	FeOx = iron-oxyhydroxides		-> = altered to
Pr = purple	Go = goethite		Bx = breccia
R = red	He = hematite
Or = orange	Ol = olivine
W = white	Pl = plagioclase
G-Gn = gray-green, etc.	Py = pyrite
Lt = light	Gyp = gypsum
Dk = dark	Z = zeolite

Note: All other minerals and colors are not abbreviated.