| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red and pale brown (sandwich), texture middle fine, numerous small to large inclusions: white, grey, red, voids |
| colour of fresh break |
light red 10 R 7/6, pinkish white 7.5 YR 8/2 |
| texture of fresh break |
granular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-0.8 (vughy), 0.6 (channel) |
| inclusions |
15%, length: <0.04-1.6 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, well rounded - subrounded, very spherical - subspherical, elongate, black, <0.04-0.24 |
|
calciumcarbonate |
very frequent, rounded - subrounded, very spherical - subspherical, subelongate, yellowish white, white, <0.04-1.4 |
|
carbonate pseudomorphoses |
very frequent, rounded - subrounded, very spherical - subspherical, subelongate, yellowish white, white, 0.04-1.6 |
|
mica |
infrequent, spherical, elongate, angular, white, <0.04-0.06 |
|
quartz |
frequent, well rounded - subrounded, subangular - angular, very spherical - subspherical, grey, clear, white, reddish, 0.06-0.44 |
|
reddish inclusions |
very frequent, well rounded - subrounded, very spherical - subspherical, elongate, reddish brown, red, <0.04-0.4 |