| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture middle fine and compact, numerous small to large inclusions: red, white, grey, voids |
| colour of fresh break |
reddish yellow 5 YR 7/6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy, channel; void length: 0.06-1.4 (vughy), 1.0 (channel) |
| inclusions |
15%, length: <0.04-2.6 |
| sorting |
moderately sorted sand |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded - subrounded, very spherical - subspherical, elongate, black, <0.04-0.24 |
|
calciumcarbonate |
frequent, rounded - subrounded, very spherical - subspherical, white, yellowish white, 0.04-3.0 |
|
carbonate pseudomorphoses |
frequent, rounded - subrounded, subspherical, subelongate, white, 0.12-3.0 |
|
mica |
singular, spherical, elongate, white, <0.04-0.04 |
|
quartz |
very frequent, well rounded - subangular, very spherical - subspherical, grey, clear, white, 0.04-0.8 |
|
reddish inclusions |
very frequent, rounded - subrounded, very spherical - subspherical, elongate, subelongate, red, reddish brown, <0.04-1.6 |