|
Freshrock
|
1 |
No visible sign of rock material weathering
|
Concept
|
stable
|
|
Faintly to slighlty weathered
|
2 |
Slight discoloration along major discontinuities. Possibility...
|
Concept
|
stable
|
|
Moderalty weathered
|
3 |
Dislocation along discontinuities. Some weakening of fabric. ...
|
Concept
|
stable
|
|
Highly weathered
|
4 |
La roche est fortement décomposée. Zone de transition entre l...
|
Concept
|
stable
|
|
Completely weathered
|
5 |
Rock is decomposed and desintegrated
|
Concept
|
stable
|
|
Forte altération - Stade 1
|
6 |
Less than 50% of rock decomposed and desintegrated – rock dis...
|
Concept
|
stable
|
|
Forte altération - Stade 2
|
7 |
More than 50% of rock decomposed and desintegrated – fresh or...
|
Concept
|
stable
|
|
Forte altération - Stade 3
|
8 |
More than 50% of rock decomposed and desintegrated – the stru...
|
Concept
|
stable
|
|
Hydrothermal alteration
|
9 |
|
Concept
|
stable
|
|
High sulfidation (Acid-sulfate, Advanced Argillic Alteration)
|
10 |
|
Concept
|
stable
|
|
Pyrophyllite-Andalusite alteration
|
11 |
|
Concept
|
stable
|
|
Low sulfidation (Adularia-sericite alteration)
|
12 |
|
Concept
|
stable
|
|
Argillic alteration
|
13 |
|
Concept
|
stable
|
|
Montmorillonite alteration
|
14 |
|
Concept
|
stable
|
|
Illitization
|
15 |
|
Concept
|
stable
|
|
Kaolinization
|
16 |
|
Concept
|
stable
|
|
Smectitization
|
17 |
|
Concept
|
stable
|
|
Dickitization
|
18 |
|
Concept
|
stable
|
|
Phengite alteration
|
19 |
|
Concept
|
stable
|
|
Propylitization
|
20 |
|
Concept
|
stable
|
|
Potassic alteration
|
21 |
|
Concept
|
stable
|
|
Magmatic-related alteration
|
22 |
|
Concept
|
stable
|
|
Skarn formation
|
23 |
|
Concept
|
stable
|
|
Calc-silicate alteration
|
24 |
|
Concept
|
stable
|
|
Diopside skarnification
|
25 |
|
Concept
|
stable
|
|
Horblende skarnification
|
26 |
|
Concept
|
stable
|
|
Tremolite-actinolite skarnification
|
27 |
|
Concept
|
stable
|
|
Garnet skarnification
|
28 |
|
Concept
|
stable
|
|
Epidote skarnification
|
29 |
|
Concept
|
stable
|
|
Condrodite skarnification
|
30 |
|
Concept
|
stable
|
|
Vesuvianite skarnification
|
31 |
|
Concept
|
stable
|
|
Wollastonite skarnification
|
32 |
|
Concept
|
stable
|
|
Metasomatism
|
33 |
|
Concept
|
stable
|
|
Greisenization
|
34 |
|
Concept
|
stable
|
|
Episyenitisation
|
35 |
|
Concept
|
stable
|
|
Chloritization
|
36 |
|
Concept
|
stable
|
|
Sudoite (Al-Mg chlorite) alteration
|
37 |
|
Concept
|
stable
|
|
Mg-Fe chlorite alteration
|
38 |
|
Concept
|
stable
|
|
Fe chlorite alteration
|
39 |
|
Concept
|
stable
|
|
Mg chlorite alteration
|
40 |
|
Concept
|
stable
|
|
Al-Mg-V chlorite alteration
|
41 |
|
Concept
|
stable
|
|
Fe-V chlorite alteration
|
42 |
|
Concept
|
stable
|
|
Cordieritisation
|
43 |
|
Concept
|
stable
|
|
Cordierite-sillimanite alteration
|
44 |
|
Concept
|
stable
|
|
Cordierite-antophyllite alteration
|
45 |
|
Concept
|
stable
|
|
Cordierite-cummingtonite alteration
|
46 |
|
Concept
|
stable
|
|
Cordierite-andalusite alteration
|
47 |
|
Concept
|
stable
|
|
Cordierite-sericite alteration
|
48 |
|
Concept
|
stable
|
|
Mica alteration
|
49 |
|
Concept
|
stable
|
|
Biotitization
|
50 |
|
Concept
|
stable
|
|
Sericitization
|
51 |
|
Concept
|
stable
|
|
Muscovitization
|
52 |
|
Concept
|
stable
|
|
Proximal 3T-hydromica type alteration for U
|
53 |
|
Concept
|
stable
|
|
Distal green hydromica (Cr-V) type alteration for U
|
54 |
|
Concept
|
stable
|
|
Feldspar, feldspathoid alteration
|
55 |
|
Concept
|
stable
|
|
Adularization
|
56 |
|
Concept
|
stable
|
|
Albitization
|
57 |
|
Concept
|
stable
|
|
Microclinisation
|
58 |
|
Concept
|
stable
|
|
Carbonates related alteration
|
59 |
|
Concept
|
stable
|
|
Calcite alteration
|
60 |
|
Concept
|
stable
|
|
Dolomitization
|
61 |
|
Concept
|
stable
|
|
Ankeritization, sideritization
|
62 |
|
Concept
|
stable
|
|
Decalcification
|
63 |
|
Concept
|
stable
|
|
Tourmalinization
|
64 |
|
Concept
|
stable
|
|
Dravite (Mg-Na) alteration
|
65 |
|
Concept
|
stable
|
|
Schörlite (Fe) alteration
|
66 |
|
Concept
|
stable
|
|
Sulfidation
|
67 |
|
Concept
|
stable
|
|
Pyritization
|
68 |
|
Concept
|
stable
|
|
Marcasitisation
|
69 |
|
Concept
|
stable
|
|
Amphibolitization
|
70 |
|
Concept
|
stable
|
|
Arfvedsonitisation (Na amphibole)
|
71 |
|
Concept
|
stable
|
|
Antophyllite alteration
|
72 |
|
Concept
|
stable
|
|
Cummingtonite alteration
|
73 |
|
Concept
|
stable
|
|
Actinolite-Magnetite alteration
|
74 |
|
Concept
|
stable
|
|
Pyroxenitization
|
75 |
|
Concept
|
stable
|
|
Aegirinisation (Na pyroxène)
|
76 |
|
Concept
|
stable
|
|
Epidotitization
|
77 |
|
Concept
|
stable
|
|
Fe, Mn oxide alteration
|
78 |
|
Concept
|
stable
|
|
Hematization
|
79 |
|
Concept
|
stable
|
|
Magnetitisation
|
80 |
|
Concept
|
stable
|
|
Martitisation
|
81 |
|
Concept
|
stable
|
|
Quartz related alteration
|
82 |
|
Concept
|
stable
|
|
Silicification
|
83 |
|
Concept
|
stable
|
|
Silica or quartz leaching
|
84 |
|
Concept
|
stable
|
|
Fenitization
|
85 |
|
Concept
|
stable
|
|
Florencitisation (Al, Sr, REE phosphate)
|
86 |
|
Concept
|
stable
|
|
Zeolitization
|
87 |
|
Concept
|
stable
|
|
Supergene alteration
|
88 |
|
Concept
|
stable
|
|
Ferricritization
|
89 |
|
Concept
|
stable
|
|
Calcretization
|
90 |
|
Concept
|
stable
|
|
Silcretization
|
91 |
|
Concept
|
stable
|
|
Limonitization
|
92 |
|
Concept
|
stable
|
|
Ferruginous duricrust
|
93 |
|
Concept
|
stable
|
|
Bauxitization
|
94 |
|
Concept
|
stable
|
|
Lateritization
|
95 |
|
Concept
|
stable
|
|
Saprolitization
|
96 |
|
Concept
|
stable
|
|
Granular desintegration
|
97 |
|
Concept
|
stable
|
|
Dissolution (boxwork)
|
98 |
|
Concept
|
stable
|
|
Prehnitisation
|
99 |
|
Concept
|
stable
|
|
Scapolitisation
|
100 |
|
Concept
|
stable
|
|
Spilitisation
|
101 |
|
Concept
|
stable
|
|
Hydration
|
102 |
|
Concept
|
stable
|
|
Serpentinisation
|
103 |
|
Concept
|
stable
|