Table T3. Abbreviations used in the alteration and igneous core description logs.
Colors | Minerals | Mineral proportions | |||||
---|---|---|---|---|---|---|---|
Brn: | Brown | Am Si: | Amorphous silica | tr: | Trace (<1%) | ||
Blk: | Black | Sm: | Smectite | X + Y: | 50:50 x:y | ||
G: | Gray | CO3: | Calcium carbonate | X > Y: | 70:30 x:y | ||
Gn: | Green | Cp: | Chalcopyrite | X >> Y: | 90:10 x:y | ||
R: | Red | FeOx: | Iron oxyhydroxides | X >>> Y: | 99:1 x:y | ||
Or: | Orange | Ol: | Olivine |
Other
|
|||
W: | White | Pl: | Plagioclase | ox: | Oxidized | ||
G-Gn: | Gray-green | Py: | Pyrite | P: | Piece(s) | ||
lt: | Light | V: | Vertical | ||||
dk: | Dark | Rbl: | Rubble | ||||
: | Altered to | ||||||
Bx: | Breccia |
Note: Other minerals and colors are spelled out.