| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour yellowish red, core grey, texture coarse and compact, numerous fine to large inclusions: white, yellow, black, voids |
| colour of fresh break |
light red 2.5 YR 6/6, core grey 2.5 YR 5/0 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy (0.04-4.4), channel (0.06-4.0); void length: 0.04-4.4 |
| inclusions |
12.5%, length: <0.04-1.8 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
very frequent, well rounded - rounded, very spherical - subspherical, elongate, very elongate, black, <0.04-0.12 |
|
calciumcarbonate |
very frequent, rounded, very spherical - subspherical, yellowish, white, <0.04-1.4 |
|
carbonate pseudomorphoses |
infrequent, well rounded - rounded, very spherical - subspherical, yellowish, white, 0.12-0.4 |
|
foraminifera |
frequent, well rounded - rounded, very spherical - subspherical, very elongate, white, 0.08-0.5 |
|
mica |
very frequent, elongate, angular, spherical, white, <0.04-0.08 |
|
more inclusions2 |
very frequent, angular - very angular, subspherical - subelongate, grey, yellowish, reddish, white, 0.08-1.8 |
|
reddish inclusions |
very frequent, well rounded - subrounded, very spherical subspherical, elongate - subelongate, red, reddish brown, <0.04-0.8 |