| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, texture middle fine and compact, small and few large inclusions: red, reddish brown, white, grey |
| colour of fresh break |
light red 10R 6/8 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
3.5%; void form: channel, vughy; void length: 0.06 (channel), 0.04 (vughy)-0.7 (channel), 1.0 (vughy) |
| inclusions |
15%, length: <0.04-2.4 |
| sorting |
moderately sorted sand |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
singular, spherical, elongate, black, 0.08-0.12 |
|
calciumcarbonate |
very frequent, rounded - subrounded, very spherical - subspherical, yellowish white, white, <0.04-0.5 |
|
carbonate pseudomorphoses |
frequent, subrounded, very spherical - subsperical, subelongate, yellowish white, white, 0.04-1.0 |
|
mica |
infrequent, spherical, elongate, white, <0.04 |
|
quartz |
very frequent, well rounded - subangular, very spherical -subspherical, grey, clear, brownish, 0.06-0.5 |
|
reddish inclusions |
very frequent, rounded - subrounded, very spherical - subspherical, elongate, subelongate, red, reddish brown, <0.04-2.4 |