| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, edges light brown, textur fine and compact, numerous small and some lage inclusions: white, red, voids |
| colour of fresh break |
core light red 10 R 6/6, edges light reddish brown 2.5 YR 7/4 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy, channel; void length: 0.04 (vughy), 0.06 (channel)-0.6, 1x 2.0 (vughy), 0.8 (channel) |
| inclusions |
20%, length: <0.04-1.6 |
| sorting |
bimodal: poorly-sorted sand in well-sorted silt |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded, very spherical - subspherical, black, 0.08-0.2 |
|
calciumcarbonate |
riddled with, rounded -subrounded, very sperical - subspherical, elongate, white, yellowish-white, <0.04-1.1 |
|
carbonate pseudomorphoses |
riddled with, rounded, very spherical - subspherical, white, yellowish-white, <0.04-0.4 |
|
foraminifera |
frequent, very spherical, elongated, white, 0.16-0.4 |
|
mica |
infrequent, spherical, white, <0.04 |
|
more inclusions2 |
singular, spherical - subspherical, white - pale brown, grog, 0.6-1.6 |
|
quartz |
infrequent, well rounded - rounded - subangular, very spherical - subspherical, clear, grey, 0.06-0.2 |
|
reddish inclusions |
frequent, well rounded - rounded, very spherical - subspherical, reddish-brown, red, <0.04-0.8 |