| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light reddish brown, texture middle fine and compact, numerous fine to large inclusions: white, yellowish, red, 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: vughy (0.04-2.0), channel (0.06-0.6); void length: 0.04-2.0 |
| inclusions |
12.5%, length: <0.04-2.8 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, subrounded, spherical, elongate - very elongate, black, <0.04-0.4 |
|
calciumcarbonate |
very frequent, well rounded - rounded, very spherical - subspherical, white, yellowish, <0.04-0.8 |
|
carbonate pseudomorphoses |
infrequent, rounded - subrounded, very spherical - spherical, white, 0.04-0.8 |
|
foraminifera |
infrequent, well rounded, rounded, very spherical, subspherical, very elongate, white, grey, 0.12-0.24 |
|
mica |
frequent, angular, spherical, elongate, white, <0.04-0.04 |
|
more inclusions2 |
very frequent, angular - very angular, subrounded, subspherical, elongate, light brown, yellowish brown, yellowish white, reddish brown, 0.08-2.8 |
|
more inclusions3 |
infrequent, well rounded - subangular, spherical - subspherical, grey, white, 0.2-0.4 |
|
reddish inclusions |
very frequent, well rounded - rounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-0.9 |