Identifier/Term
|
Description/Explanation |
Veins |
Average width
|
|
Morphology
|
Planar |
Curved/Sigmoid |
Irregular |
Color of filling minerals
|
White |
Black |
Grayish black |
Yellow |
Green |
Others |
Fabric of filling minerals
|
Massive |
Cross-fiber |
Slip fiber |
Polycrystalline |
Vermicular |
Vuggy |
Magmatic flow |
Array
|
En echelon/Reidel |
Parallel |
Conjugate |
Anastomosing |
Network |
Splayed/Y-shaped |
Stepped |
Abundance
|
Vein numbers in interval |
Orientation
|
|
Crosscutting relationship
|
|
Faults |
Offset/displacement
|
|
Morphology
|
Planar |
Curved |
Irregular |
Types
|
Dextral |
Sinistral |
Normal |
Reverse |
Microfault |
Array
|
En echelon/Reidel |
Parallel |
Conjugate |
Anastomosing |
Network |
Splayed/Y-shaped |
Stepped |
Orientation
|
|
Crosscutting relationship
|
|
Gouge type
|
Breccia |
Cataclasite |
Joints
|
Density
|
Joint numbers in interval |
Morphology
|
Planar |
Curved |
Irregular |
Types
|
Dextral |
Sinistral |
Tensional |
Reverse |
Array
|
En echelon/Reidel |
Parallel |
Conjugate |
Anastomosing |
Network |
Splayed/Y-shaped |
Stepped |
Orientation
|
|
Crosscutting relationship
|
|
Breccia/Cataclastite
|
Clast shape
|
Angular |
Subangular |
Subrounded |
Rounded |
Clast size
|
Min-max average size |
Clast percent
|
Volume% |
Clast type
|
|
Matrix composition
|
|
Matrix percent
|
Volume% |
Origin
|
Fault-related |
Hydraulic |
Shear zones
|
Offset/displacement
|
|
Morphology
|
Planar |
Curved |
Irregular |
Shear sense
|
Dextral |
Sinistral |
Mylonite type
|
|
Clast type
|
δ -type |
θ-type |
φ-type |
Clast mineral
|
|
Clast percent
|
Volume% |
Lineation type
|
|
Lineation mineral
|
|
Matrix composition
|
|
Matrix percent
|
Volume% |
Width of shear zone
|
|
Orientation of mylonitic foliation
|
|
Crosscutting relationship
|
|