| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour exterior and interior light red, core brownish grey, texture coarse, numerous fine to large inclusions: white, yellowish, red, pseudomorphoses, voids |
| colour of fresh break |
exterior and interior light red 2.5 YR 6/8, core grey 10 YR 5/1 |
| texture of fresh break |
granular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy (0.04-1.0), channel (0.08-1.0); void length: 0.04-1.0 |
| inclusions |
25%, length: <0.04-2.0 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
calciumcarbonate |
riddled with, rounded - subrounded, angular, very spherical - subspherical, subelongate, white, yellowish white, 0.04-2.0 |
|
carbonate pseudomorphoses |
riddled with, well rounded - rounded, very spherical - subspherical, elongtate - very elongate, white, yellowish white, 0.04-1.24 |
|
foraminifera |
frequent, well rounded - rounded, very spherical - subspherical, white, 0.12-0.4 |
|
mica |
infrequent, spherical, angular, elongate, white, <0.04-0.06 |
|
more inclusions2 |
infrequent, angular, subspherical, red, 0.32-1.4 |
|
reddish inclusions |
infrequent, rounded - subrounded, subspherical, elongate, red, reddish brown, 0.08-0.25 |