| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, core greyish brown, texture coarse, numerous fine to large inclusions: yellowish, white, grey, voids |
| colour of fresh break |
light red 2.5 YR 6/8, core brown 7.5 YR 5/2 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy (0.04-2.8), channel (0.06-1.0); void length: 0.04-2.8 |
| inclusions |
15%, length: <0.04-1.6 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, angular, spherical - subspherical, elongate, black, 0.04-0.24 |
|
calciumcarbonate |
frequent, well rounded - rounded, subangular, very spherical - subspherical, subelongate, yellowish white, white, 0.04-1.2 |
|
carbonate pseudomorphoses |
riddled with, well rounded - rounded, very spherical - subspherical, white, 0.04-0.32 |
|
foraminifera |
very frequent, well rounded, rounded, very spherical, subspherical, very elongate, white, yellowish, 0.12-0.4 |
|
grey inclusions |
singular, subelongate, grey, 0.16 |
|
mica |
frequent, angular, elongate, spherical, white, <0.04 |
|
more inclusions2 |
very frequent, rounded, subangular - very angular, subspherical - subelongate, yellowish brown, reddish brown, white, grey, 0.08-1.0 |
|
reddish inclusions |
frequent, rounded, very spherical - subspherical, elongate - subelongate, red, reddish brown, <0.04-0.4 |
|
white inclusions |
singular, rounded, subspherical, yellowish white, 1.6 |