Information Key
Traits Key
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- 10 - 100
Traits
Traits are indicated by a series of boxes as per the example left.
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- 10 - 100
Selected Traits
Traits that are applicable to the current genera (ie: select traits) are emphasised and are presented with a dark black border. See example left.
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- 10 - 100
Estimated Traits
Where there is insufficient information to assess a particular relevant trait, we have estimated the value from information for related genera. These values are show with a dashed/dotted border to indicate an uncertainty in the value shown for a particular genus. See example left
Folk Classification Key
Folk classification used to classify sediments. The classification C has been applied to cobble habitats. Based loosely on the classification of R.L. Folk, 1954. J.Geol., 62, pp344-359.
| M | Mud |
|---|---|
| sM | Sandy |
| Mud S | Sand |
| mS | Muddy Sand |
| gM | Gravelly Mud |
| gmS | Gravelly Muddy Sand |
| gS | Gravelly Sand |
| mG | Muddy Gravel |
| msG | Muddy Sandy Gravel |
| sG | Sandy Gravel |
| G | Gravel |
| C | Cobbles |