| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, core light brownish grey, texture coarse, numerous fine to large inclusions: white, grey, red, voids |
| colour of fresh break |
light red 2.5 YR 6/6, core pinkish grey 7.5 YR 6/2 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy (0.04-1.2), channel (0.06-1.6); void length: 0.04-1.6 |
| inclusions |
20%, length: <0.04-1.8 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
very frequent, rounded - subangular, very spherical - subspherical, elongate, black, 0.04-0.2 |
|
calciumcarbonate |
very frequent, rounded - subrounded, very spherical - subspherical, subelongate, yellowish, white, <0.04-0.8 |
|
carbonate pseudomorphoses |
riddled with, rounded, very spherical - subspherical, yellowish, white, 0.04-0.4 |
|
foraminifera |
very frequent, well rounded, rounded, very spherical, subspherical, very elongate, white, yellowish, 0.12-0.4 |
|
mica |
frequent, elongate, spherical, angular, white, <0.04-0.04 |
|
more inclusions2 |
very frequent, subangular - very angular, subspherical, elongate - subelongate, yellowish white, red, grey, 0.08-1.8 |
|
reddish inclusions |
very frequent, well rounded- subrounded, very spherical - subspherical, elongate, subelongate, red, reddish brown, <0.04-1.2 |
|
white inclusions |
frequent, very angular - subangular, rounded, elongate - very elongate, very spherical - subspherical, white, 0.08-0.8 |