Timeline for How would a creature like this work?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 30, 2020 at 1:35 | comment | added | jdunlop | Let us continue this discussion in chat. | |
| Jan 30, 2020 at 1:35 | comment | added | Chickenpeep | I don't actually know. I just figured pressure would work the same way for both underground and atmosphere because isn't it just squish? It could have lower temperature. It doesn't have to be an Earth like world. | |
| Jan 30, 2020 at 1:29 | comment | added | jdunlop | What are those pressures? I've been unable to find any description of olivine forming anywhere but the upper mantle, which is not a place known for having pressures readily duplicated by anything resembling a terrestrial atmosphere - particularly if it has to make up for lower temperatures! | |
| Jan 30, 2020 at 1:22 | comment | added | Chickenpeep | So oxygen atmosphere okay. Instead of ammonia instead of water, what's a denser liquid to allow olivine armored creature to swim that is liquid at olivine forming pressures? | |
| Jan 30, 2020 at 1:21 | comment | added | jdunlop | (Also, if water is present, the anhydrous ammonia would become aqueous ammonia in at least some cases, prompting a different reaction with free chlorine that would result in dense clouds of white vapour... and also the consumption of one or the other reagent.) | |
| Jan 30, 2020 at 1:17 | comment | added | jdunlop | Depends on what you're willing to give up. You'd have to give up the chlorine atmosphere, for a start, since olivine needs oxygen in its molecular structure, but free oxygen would result in the formation of hydrochloric acid (hydrogen isn't going to be missing, and aqueous HCl would then form), which degrades olivine. If you're willing to let the olivine be a later addition (rather than something in the creature's skin), it could reasonably be something much more earthlike. | |
| Jan 30, 2020 at 1:03 | comment | added | Chickenpeep | then what elements would allow for a swimming rock armored creature with pressure that would allow olivine to form at the surface? | |
| Jan 30, 2020 at 0:35 | history | answered | jdunlop | CC BY-SA 4.0 |