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Biopyribole
A synonym
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About Biopyribole
Name:
The composite name is derived from biotite (bio), pyroxene (pyri) and amphibole (bole).
Synonym of:
Any of the rock-forming minerals pyroxene, amphibole, and mica.
Unique Identifiers
Mindat ID:
11035
Long-form identifier:
mindat:1:1:11035:8
Age distribution
Recorded ages:
Neoarchean to Quaternary : 2530 ± 45 Ma to 0.19 ± 0.05 Ma - based on 282 recorded ages.
Sample ages:
| Sample ID | Recorded age | Geologic Time | Dating method |
|---|---|---|---|
| 1 | At least 38 Ma | Eocene | |
| 2 | 7.6 ± 0.3 Ma | Miocene | K-Ar |
| 3 | 15.7 ± 0.6 Ma | Miocene | K-Ar |
| 4 | 16.9 ± 0.7 Ma | Miocene | K-Ar |
| 5 | 31.7 ± 0.7 Ma | Oligocene | K-Ar |
| 6 | 44 to 34 Ma | Eocene | Ar/Ar |
| 7 | 93.8 ± 3.9 Ma | Late/Upper Cretaceous | Ar-Ar |
| 8 | 115 ± 3 to 111 ± 3 Ma | Early/Lower Cretaceous | K-Ar |
| 9 | 150 to 140 Ma | Mesozoic | 40Ar/39Ar |
| 10 | 226 ± 1.1 Ma | Late/Upper Triassic | K-Ar |
| 11 | 239.2 ± 0.4 Ma | Middle Triassic | SHRIMP zircon U-Pb dating of riebeckite granite |
| 12 | 286.6 ± 6.7 Ma | Cisuralian | Ar–Ar |
| 13 | 305.9 ± 3.5 Ma | Pennsylvanian | Re-Os |
| 14 | 350 ± 15 Ma | Mississippian | K-Ar |
| 15 | 385.4 ± 9.2 Ma | Middle Devonian | Ar-Ar |
| 16 | 529 ± 15 Ma | Terreneuvian | K-Ar |
| 17 | 1301 to 1241 Ma | Ectasian | K-Ar |
| 18 | 1740 Ma | Statherian | K-Ar |
| 19 | 1915 to 1897 Ma | Orosirian | Ar-Ar |
| 20 | 2530 ± 45 Ma | Neoarchean | K-Ar |
Sample references:
Hurricane Mountain localities, North Conway, Conway, Carroll County, New Hampshire, USA