| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture middle fine and compact, few small and few large inclusions: red, grey, voids |
| colour of fresh break |
light red 2.5 YR 6/8 |
| texture of fresh break |
regular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
3.5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-0.6, 1x 1.8 (vughy), 0.3 (channel) |
| inclusions |
12.5%, length: <0.04-4.8 |
| sorting |
moderately sorted sand |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded - subrounded, very spherical - subspherical, elongate, black, 0.04-0.4 |
|
calciumcarbonate |
frequent, rounded - subrounded, very spherical - subspherical, yellowish white, white, 0.04-0.24 |
|
carbonate pseudomorphoses |
infrequent, rounded - subrounded, elongate - very elongate, yellowish white, white, 0.2-4.8 |
|
mica |
infrequent, spherical, elongate, white, <0.04-0.04 |
|
quartz |
frequent, well rounded - subangular, very spherical - subspherical, clear, grey, brownish, 0.06-0.3 |
|
reddish inclusions |
frequent, rounded - subrounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-0.16 |