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Domain for grain size DESCRIPTION of RESULT entity
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References
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Berkman, D.A. 1995, Field Geologists' Manual, 3rd edn., Monograph
Series No. 9, Australasian Institute of Mining and Metallurgy, 390p.
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Ryburn, R.J., Bond, L.D. & Hazell, M.S. 1995, Guide to OZROX
AGSO's Field Geology Database, AGSO Record 1995/79, Australian
Geological Survey Organisation, Canberra.
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Qualifier 1:
rock type that grainsize category applies to eg igneous, sedimentary
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Qualifier 2:
minimum grain size, mm
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Qualifier 3:
maximum grain size, mm
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Note:
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Attribute |
Code |
Parent |
Category |
Synonyms |
Description |
Qualifier 1 |
Qualifier 2 |
Qualifier 3 |
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grainsize |
MX |
|
microcrystalline |
|
typical grain diameter of crystalline rock in range of 0.001-0.1mm |
crystalline |
0.001 |
0.1 |
|
grainsize |
MSX |
|
mesocrystalline |
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typical grain diameter of crystalline rock in range of 0.1-0.5mm |
crystalline |
0.1 |
0.5 |
|
grainsize |
MCX |
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macrocrystalline |
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typical grain diameter of crystalline rock exceeds 5mm |
crystalline |
5 |
|
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grainsize |
CX |
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cryptocrystalline |
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typical grain diameter of crystalline rock is less than 0.001mm |
crystalline |
|
0.001 |
|
grainsize |
DNS |
|
dense |
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typical grain diameter of igneous rock in range of 0.001-0.01mm |
igneous |
0.001 |
0.01 |
|
grainsize |
VF |
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very fine |
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typical grain diameter of igneous rock in range of 0.01-0.1mm |
igneous |
0.01 |
0.1 |
|
grainsize |
F |
|
fine |
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typical grain diameter of igneous rock in range of 0.1-1mm |
igneous |
0.1 |
1 |
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grainsize |
M |
|
medium |
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typical grain diameter of igneous rock in range of 1-5 mm |
igneous |
1 |
5 |
|
grainsize |
C |
|
coarse |
|
typical grain diameter of igneous rock in range of 5-30 mm |
igneous |
5 |
30 |
|
grainsize |
VC |
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very coarse |
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typical grain diameter of igneous rock exceeds 30 mm |
igneous |
30 |
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grainsize |
SLT |
|
silt |
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typical grain diameter of sedimentary rock is in range of 0.002-0.0625
mm |
sedimentary |
0.002 |
0.0625 |
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grainsize |
VFST |
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very fine silt |
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typical grain diameter in sedimentary rock is in range of 0.0039-0.0078mm |
sedimentary |
0.0039 |
0.0078 |
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grainsize |
FST |
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fine silt |
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typical grain diameter of sedimentary rock is in range of 0.0078-0.0156mm |
sedimentary |
0.0078 |
0.0156 |
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grainsize |
MST |
|
medium silit |
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typical grain diameter of sedimentary rock is in range of 0.0156-0.031mm |
sedimentary |
0.0156 |
0.031 |
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grainsize |
CST |
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coarse silt |
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typical grain diameter of sedimentary rock is in range of 0.031-0.0625mm |
sedimentary |
0.031 |
0.0625 |
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grainsize |
VFS |
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very fine sand |
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typical grain diameter of sedimentary rock is in range of 0.0625-0.125mm |
sedimentary |
0.0625 |
0.125 |
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grainsize |
FS |
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fine sand |
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typical grain diameter of sedimentary rock is in range of 0.125-0.25mm |
sedimentary |
0.125 |
0.25 |
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grainsize |
MS |
|
medium sand |
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typical grain diameter of sedimentary rock is in range of 0.25-0.5mm |
sedimentary |
0.25 |
0.5 |
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grainsize |
CS |
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coarse sand |
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typical grain diameter of sedimentary rock is in range of 0.5-1mm |
sedimentary |
0.5 |
1 |
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grainsize |
VCS |
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very coarse sand |
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typical grain diameter of sedimentary rock is in range of 1-2mm |
sedimentary |
1 |
2 |
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grainsize |
GL |
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granule |
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typical grain diameter of sedimentary rock is in range of 2-4 mm |
sedimentary |
2 |
4 |
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grainsize |
FG |
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fine gravel |
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typical grain diameter of sedimentary rock is in range of 2-6mm |
sedimentary |
2 |
6 |
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grainsize |
PB |
|
pebble |
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typical grain diameter of sedimentary rock is in range of 4-64 mm |
sedimentary |
4 |
64 |
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grainsize |
MG |
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medium gravel |
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typical grain diameter of sedimentary rock is in range of 6-20mm |
sedimentary |
6 |
20 |
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grainsize |
CG |
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coarse gravel |
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typical grain diameter of sedimentary rock is in range of 20-60mm |
sedimentary |
20 |
60 |
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grainsize |
CB |
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cobble |
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typical grain diameter of sedimentary rock is in range of 64-256 mm |
sedimentary |
64 |
256 |
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grainsize |
BO |
|
boulder |
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typical grain diameter of sedimentary rock exceeds 256mm |
sedimentary |
256 |
4096 |
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grainsize |
CLY |
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clay |
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typical grain diameter of sedimentary rock is less than 0.0039mm |
sedimentary |
0.00006 |
0.0039 |
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grainsize |
ASH |
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ash |
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typical grain diameter in volcanic rock is in range of 0.04-4mm |
volcanic |
0.04 |
4 |
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grainsize |
SA |
|
sand |
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typical grain diameter of volcanic rock is in range of 0.05-2mm |
volcanic |
0.05 |
2 |
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grainsize |
LPL |
|
lapilli |
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typical grain diameter of volcanic rock is in range of 1-64 mm |
volcanic |
1 |
64 |
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grainsize |
GV |
|
gravel |
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typical grain diameter of volcanic rock is in range of 2-75mm |
volcanic |
2 |
75 |
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grainsize |
BLK |
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block |
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typical grain diameter of volcanic rock exceeds 50mm |
volcanic |
50 |
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grainsize |
BM |
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bomb |
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typical grain diameter of volcanic rock exceeds 64 mm |
volcanic |
64 |
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grainsize |
DST |
|
dust |
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typical grain diameter of volcanic rock is less than 0.05mm |
volcanic |
|
0.05 |
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grainsize |
UNK |
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unknown |
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typical grain diameter is unknown |
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