| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour reddish yellow, core reddish gray, texture coarse and compact, numerous fine to large inclusions: white, yellowish, red, black, voids |
| colour of fresh break |
light red 2.5 YR 6/8, core reddish grey 5 YR 5/2 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy (0.04-2.4), channel (0.06-1.0); void length: 0.04-2.4 |
| inclusions |
17.5%, length: <0.04-1.8 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, subspherical, elongate, black, 0.04-0.16 |
|
brown inclusions |
frequent, rounded, spherical, yellowish brown, 0.15-0.3 |
|
calciumcarbonate |
riddled with, well rounded - subrounded, very spherical - subspherical, subelongate, yellowish, white, <0.04-1.5 |
|
carbonate pseudomorphoses |
riddled with, rounded - subrounded, very spherical - subspherical, very elongate, yellowish, white, 0.04-1.8 |
|
foraminifera |
infrequent, well rounded, rounded, very spherical, subspherical, very elongate, white, yellowish, grey, 0.12-0.4 |
|
mica |
very frequent, angular, elongate, spherical, white, <0.04-0.04 |
|
more inclusions2 |
very frequent, subrounded, subangular - very angular, subspherical, yellowish brown, yellowish white, reddish, grey, 0.28-1.0 |
|
reddish inclusions |
very frequent, well rounded - rounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-0.6 |