| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, core grey, texture coarse and compact, numerous fine to large inclusions: yellowish, white, red, grey, voids |
| colour of fresh break |
light red 10 R 6/8, core light reddish brown 2.5 5 YR 6/3 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy (0.04-4.0);channel (0.06-1.2); void length: 0.04-4.0 |
| inclusions |
12.5%, length: <0.04-1.8 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded - subangular, subspherical, elongate, black, <0.04-0.32 |
|
calciumcarbonate |
riddled with, well rounded - subrounded, very spherical - subspherical, subelongate, yellowish white, white, <0.04-0.06 |
|
carbonate pseudomorphoses |
riddled with, well rounded - rounded, very spherical - subspherical, yellowish white, white, 0.04-0.56 |
|
foraminifera |
very frequent, well rounded, rounded, very spherical, subspherical, very elongate, white, yellowish, 0.08-0.68 |
|
mica |
frequent, angular, elongate, spherical, white, <0.04-0.04 |
|
more inclusions2 |
very frequent, subangular - very angular, subspherical - subelongate, yellowish white, yellowish, reddish, 0.08-1.8 |
|
quartz |
singular, well rounded, spherical, clear, 0.08 |
|
reddish inclusions |
very frequent, rounded - subangular, subspherical, elongate, red, reddish brown, <0.04-0.8 |