| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture middle fine and compact, numerous small to few large inclusions: white, red, grey, 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 |
3.5%; void form: vughy, cannel; void length: 0.04 (vughy), 0.06 (channel)-2.0 (vughy), 0.2 (channel) |
| inclusions |
12.5%, length: <0.04-1.0 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, very spherical - subspherical, elongate, black, 0.04-0.36 |
|
calciumcarbonate |
frequent, rounded, very spherical - subspherical, white, yellowish white, <0.04-1.0 |
|
carbonate pseudomorphoses |
very frequent, rounded, very sperical - subspherical, white, yellowish white, 0.04-1.0 |
|
mica |
infrequent, spherical, elongate, angular, white, <0.04-0.06 |
|
quartz |
very frequent, well rounded - rounded, subangular - angular, very spherical - subspherical, elongate - subelongate, grey, reddish, clear, 0.04-0.32 |
|
reddish inclusions |
frequent, well rounded - rounded, very spherical - subspherical, elongate, reddish brown, <0.04-0.9 |