| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture fine and compact, infrequent small to large inclusions: white, grey, pale red, mica, voids |
| colour of fresh break |
light red 2.5 YR 6/8 |
| texture of fresh break |
smooth |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy, channel; void length: 0.04 (vughy), 0.08 (channel)-0.8 (vughy), 1.1 (channel) |
| inclusions |
15%, length: <0.04-1.8, 1x 3.6, 1x5.2 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, spherical - subspherical, elongate, very elongate, black, 0.04-0.4 |
|
calciumcarbonate |
infrequent, well rounded - subrounded, very spherical - subspherical, elongate - subelongate, yellowish;white and red, <0.04-1.2 |
|
carbonate pseudomorphoses |
infrequent, well rounded - subrounded, very spherical - subspherical, subelongate, yellowish;white and red, 0.04-0.28 |
|
foraminifera |
singular, well rounded, very spherical, white, 0.16-0.28 |
|
mica |
frequent, spherical, elongate, angular, white, dark, <0.04-0.12 |
|
more inclusions2 |
frequent, subrounded, subangular - angular, pale red, brownish, 0.08-5.2 |
|
more inclusions3 |
singular, very elongate, red, 0.16-3.6 |
|
quartz |
very frequent, well rounded - rounded, subangular - angular, spherical - subspherical, clear, grey, white, <0.04-0.28 |
|
reddish inclusions |
very frequent, well rounded - subrounded, very spherical - subspherical, very elongate - elongate, reddish brown, red, <0.04-0.8 |