| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, texture fine and compact, infrequent small inclusions: white, voids, mica |
| colour of fresh break |
red 2.5 YR 5/8 |
| texture of fresh break |
smooth |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
1.5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-0.6 (vughy), 0.12 (channel) |
| inclusions |
3.5%, length: <0.04-0.5 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, well rounded - subrounded, very spherical - subspherical, black, 0.04-0.12 |
|
calciumcarbonate |
very frequent, well rounded - rounded, very spherical - subspherical, elongate, white, yellowish white, <0.04-0.2 |
|
carbonate pseudomorphoses |
frequent, rounded - subrounded, very spherical - subspherical, subelongate, white, yellowish white, 0.04-0.44 |
|
mica |
frequent, spherical, elongate, angular, white, <0.04-0.08 |
|
quartz |
very frequent, well rounded - rounded, very spherical - subspherical, grey, clear, <0.04-0.12 |
|
reddish inclusions |
very frequent, well rounded - subrounded, very spherica - subspherical, elongate, reddish brown, red, <0.04-0.5 |