| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light reddish brown, texture middle fine and compact, numerous fine to large inclusions: light brown, white, pink, red, grey, voids |
| colour of fresh break |
reddish yellow 5 YR 6/6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
3.5%; void form: channel (0.06-1.6), vughy (0.04-1.6); void length: 0.04-1.6 |
| inclusions |
12.5%, length: <0.04-3.4 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded - subrounded, spherical - subspherical, black, 0.04-0.72 |
|
brown inclusions |
infrequent, well rounded, subangular, very spherical - elongate, light brown, 0.15-3 |
|
calciumcarbonate |
very frequent, rounded, very spherical - subspherical, elongate, yellow, white, <0.04-0.8 |
|
carbonate pseudomorphoses |
infrequent, rounded, very spherical - subspherical, white, 0.12-0.4 |
|
foraminifera |
frequent, well rounded, rounded, very spherical, spherical, very elongate, white, grey, 0.12-0.52 |
|
mica |
frequent, angular, elongate, spherical, white, <0.04-0.04 |
|
more inclusions2 |
very frequent, subangular - very angular, subrounded, spherical - subspherical, elongate - subelongate, yellowish brown, yellowish white, light reddish brown, 0.08-3.4 |
|
more inclusions3 |
infrequent, well rounded, very spherical,elongate, white, grey, 0.08-0.2 |
|
reddish inclusions |
frequent, well rounded - rounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-0.4 |