| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, core grey, texture coarse and compact, numerous fine to large inclusions: yellowish brown, white, red, voids |
| colour of fresh break |
light red 2.5 YR 6/8, core weak grey 2.5 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 (0.04-1.4), channel (0.04-1.6); void length: 0.04-1.6 |
| inclusions |
15%, length: 0.04-1.8 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
frequent, rounded, very spherical - subspherical, elongate, black, <0.04-1.6 |
|
calciumcarbonate |
very frequent, well rounded - rounded, very spherical - subspherical, yellowish, white, <0.04-0.48 |
|
carbonate pseudomorphoses |
frequent, rounded, very spherical - subspherical, white, 0.04-0.48 |
|
foraminifera |
very frequent, well rounded, rounded, very spherical, subspherical, very elongate, white, grey, 0.08-0.4 |
|
mica |
very frequent, angular, elongate, spherical, white, <0.04-0.04 |
|
more inclusions2 |
frequent, angular - very angular, rounded - subrounded, subspherical - subelongate, yellowish, yellowish white, reddish, grey, 0.08-1.8 |
|
more inclusions3 |
singular, angular, subspherical, clear and black, 0.8 |
|
quartz |
singular, well rounded - subrounded, very spherical, grey, white, clear, 0.12-0.44 |
|
reddish inclusions |
very frequent, well rounded - subrounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-1.6 |