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Paragenetic Modes

Paragenetic ModeAge (Ga)Minerals
Pre-terrestrial "Ur-minerals">4.57
1 : Stellar atmosphere condensates22
2 : Interstellar condensates1
Stage 1: Primary nebular phases4.567-4.561
3 : Solar nebular condensates (CAIs, AOAs, URIs)>4.56547
4 : Primary chondrule phases4.566–4.56146
Stage 2: Planetesimal differentiation and alteration4.566-4.550
5 : Primary asteroid phases4.566–4.56094
6 : Secondary asteroid phases4.566-4.560199
Stage 3a: Earth’s earliest Hadean crust>4.50
7 : Ultramafic igneous rocks129
8 : Mafic igneous rocks91
9 : Lava/xenolith minerals (hornfels, sanidinite facies)124
10 : Basalt-hosted zeolite minerals106
11 : Volcanic fumarole minerals; reduced phases (see also #45)36
Stage 3b: Earth’s earliest hydrosphere>4.45
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)128
13 : Hadean serpentinization66
14 : Hot springs, geysers, and other subaerial geothermal minerals61
15 : Black/white smoker minerals and other seafloor hydrothermal minerals32
16 : Low-𝑇 aqueous alteration of Hadean subaerial lithologies (see also #23)81
17 : Marine authigenic Hadean minerals (see also #24)50
18 : Minerals formed by freezing4
Stage 4a: Earth’s earliest continental crust>4.4-3.0
19 : Granitic intrusive rocks127
20 : Acidic volcanic rocks45
Near-surface Processes
21 : Chemically precipitated carbonate, phosphate, iron formations78
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)244
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)393
24 : Authigenic minerals in terrestrial sediments (see also #17)75
25 : Evaporites (prebiotic)210
26 : Hadean detrital minerals245
27 : Radioactive decay; auto-oxidation9
28 : Photo-alteration, pre-biotic10
29 : Lightning-generated minerals9
30 : Terrestrial impact minerals16
High-𝑇 alteration and/or metamorphism
31 : Thermally altered carbonate, phosphate, and iron formations349
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits406
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])792
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites614
35 : Ultra-alkali and agpaitic igneous rocks753
36 : Carbonatites, kimberlites, and related igneous rocks282
37 : Layered igneous intrusions and related PGE minerals147
Stage 5: Initiation of plate tectonics<3.5-2.5
38 : Ophiolites110
39 : High-𝑃 metamorphism (blueschist, eclogite, ultrahigh 𝑃 facies)69
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)314
41 : Mantle metasomatism16
42 : Sea-floor Mn nodules15
43 : Shear-induced minerals (including mylonite/slickensides)9
Stage 6: Anoxic biosphere<4.0
44 : Anoxic microbially mediated minerals (see also #44)11
Stage 7: Great Oxidation Event<2.4
45 : Oxidized fumarolic minerals (see also [#11])
45a : [Sulfates, arsenates, selenates, antimonates]251
45b : [Other oxidized fumarolic minerals]272
46 : Near-surface hydrothermal alteration of minerals (see also #22)52
47 : Low-𝑇 subaerial oxidative hydration, weathering (see also #16 and #23)
47a : [Near-surface hydration of prior minerals]1,636
47b : [Sulfates and sulfites]407
47c : [Carbonates, phosphates, borates, nitrates]571
47d : [Arsenates, antimonates, selenates, bismuthinates]500
47e : [Vanadates, chromates, manganates]371
47f : [Uranyl (U⁶⁺) minerals]234
47g : [Halogen-bearing surface weathering minerals]232
47h : [Near-surface oxidized, dehydrated minerals]315
47i : [Terrestrial weathering of meteorites]28
Stage 8: "Intermediate Ocean" (no new paragentic modes)1.9-0.9
Stage 9: "Snowball Earth" (no new paragentic modes)0.9-0.6
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
48 : Soil leaching zone minerals<0.671
49 : Oxic cellular biomineralization (see also #44)<0.5477
50 : Coal and/or oil shale minerals<0.36269
51 : Pyrometamorphic minerals (see also #54 and #56)<0.36126
52 : Guano- and urine-derived minerals<0.472
53 : Other minerals with taphonomic origins<0.4116
Stage 10b: Anthropogenic minerals<10 Ka
54 : Coal and other mine fire minerals (see also #51 and #56)230
55 : Anthropogenic mine minerals264
56 : Slag and smelter minerals (see also #51 and #55)138
57 : Other minerals formed by human processes48

References

Hazen, Robert M., Morrison, Shaunna M. (2022) On the paragenetic modes of minerals: A mineral evolution perspective. American Mineralogist, 107 (7) 1262-1287 doi:10.2138/am-2022-8099
 
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