| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, texture middle fine and compact, numerous fine and infrequent large inclusions: white, grey, black, red, voids |
| colour of fresh break |
light red 2.5 YR 6/8 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
6.5%; void form: vughy (0.04-0.8), channel (0.06-1.6); void length: 0.04-1.6 |
| inclusions |
15%, length: <0.04-1.6 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded - subrounded, spherical - subspherical, black, 0.04-1.3 |
|
calciumcarbonate |
very frequent, rounded, very spherical - subspherical, subelongate, yellowish, white, <0.04-0.6 |
|
carbonate pseudomorphoses |
very frequent, rounded, very spherical - subspherical, subelongate, yellowish white, 0.04-0.6 |
|
foraminifera |
frequent, rounded, very spherical, subspherical, very elongate, white, greyish brown, 0.12-0.48 |
|
grey inclusions |
singular, angular, subspherical, dark grey and white, 1.0 |
|
mica |
very frequent, angular, elongate, spherical, white, <0.04-0.1 |
|
more inclusions2 |
very frequent, angular - very angular, subrounded, spherical - subspherical, subelongate, yellowish brown, yellowish white, reddish, 0.08-1.0 |
|
quartz |
singular, well rounded - subangular, angular, spherical - subspherical, elongate, white, clear, 0.08-1.3 |
|
reddish inclusions |
very frequent, well rounded - rounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-1.6 |