| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture middle fine and compact, numerous small to large inclusions: white, red, voids, mica |
| colour of fresh break |
light red 10 R 6/8 |
| texture of fresh break |
irregular |
| 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)-2.0, 1x 3.2 (vughy), 0.08 (channel) |
| inclusions |
17.5%, length: <0.04-2.0 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, well rounded - subrounded, very spherical - subspherical, elongate, black, 0.04-0.12 |
|
calciumcarbonate |
very frequent, well rounded - subrounded, very spherical - subspherical, elongate - very elongate, yellowish white, white, <0.04-1.0 |
|
carbonate pseudomorphoses |
very frequent, rounded - subrounded, very spherical - subspherical, subelongate, yellowish white, white, 0.04-0.4 |
|
foraminifera |
infrequent, very spherical, very elongate, white, 0.2-0.6 |
|
mica |
frequent, spherical, elongate, white, dark, <0.04-0.08 |
|
quartz |
frequent, well rounded - rounded, subangular - angular, very spherical - subspherical, elongate - subelongate, grey, white, reddish, clear, 0.04-0.48 |
|
reddish inclusions |
frequent, well rounded - subrounded, very spherical - subspherical, elongate, reddish brown, red, <0.04-0.24 |