| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour pale orange, core light red, texture medium and compact, numerous small to large inclusions: white, red, voids |
| colour of fresh break |
light red 2.5 YR 6/6 |
| texture of fresh break |
regular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
3%; void form: channel, vughy; void length: 0.04 (vughy), 0.06 (channel)-0.2 (channel) |
| inclusions |
15%, length: <0.04-3 |
| sorting |
moderately sorted sand |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
singular, rounded, spherical, elongate, black, 0.04-0.08 |
|
calciumcarbonate |
very frequent, rounded - subrounded, very sperical - subspherical, elongate, white, yellowish white, <0.04-0.8 |
|
carbonate pseudomorphoses |
very frequent, rounded - subrounded, very spherical - subspherical, elongate - very elongate, white, yellowish white, 0.04-3.0 |
|
mica |
infrequent, spherical, elongate, white, <0.04-0.04 |
|
quartz |
very frequent, well rounded - subangular, very spherical - subspherical, grey, clear, brownish, 0.04-0.7 |
|
reddish inclusions |
frequent, rounded - subrounded, very spherical - subspherical, elongate, red, reddish brown, <0.04-0.6 |