Went iceberg watching, stepped on a cool claystone and realized a love-letter to sedimentary rocks was long overdue. A continuation of geological eridian phenotypes!:) (I am not immune to behemoth Adrian propaganda. Rocky mate bad as hell, statement 😌)
Nerding out under the cut!
Adrian's phenotype design is inspired by a claystone very common in my area!
The weathering processes alter the outer portion of the stone and give it an off-white colour, while the inner core remains green-grey. The fresh green surface can be exposed by breaking the claystone apart or just chiseling a piece out (which is why Adrian's tattoos are green, it's the exposed fresh surface of their carapace:) (spy their Eridanus constellation tatoo, the star theme to their markings comes from my headcanon that Adrian is an astrophysicist hehe)
The red specks on their design are iron oxide impurities, often also visible on fresh surfaces, bleeding into them and giving them the rusty coloration. And, of course, honorary mention to quartz veins! Those often form when a crack in the rock is permeated by hot hydrothermal fluids which then deposit the quartz in a vein-like structure:)
(Some claystones I hoarded over the years v )
Rocky's carapace is inspired by a sandstone (specifically quartz arenite, which is just a mature variety of sandstone made up mostly of small quartz particles.)
Now, I gotta add some cross-bedding features to my boy: the lines visible on his shell are a common sedimentary feature that often forms in dunes and deserts - the wind carries sand particles in a particular pattern, forming these cascading lines of strata. (These can be used to look back on ancient climates and determine the predominant wind direction in the area btw!)
And finally, for the green inclusions on Rocky, those are also quartz veins, but this time, with chlorite inclusions, to give them the green tinge:)
Hope this was as interesting for you to read as it was for me to paint and write:) and if I fudged up a detail somewhere, do let me know!
i think the funniest thing rocky does in the phm book is straight-up refuse to believe grace for multiple hours when grace explains relativistic physics. and then finally accepts it in the face of evidence but stays really pissed off about it. i wish we could’ve seen that shit like “where is einstein now, question, rocky just want to talk”
the best fanfiction you've ever read was written by a woman in her 40s before she made dinner for her kids. it was written by a teenager after school when they should've been studying for a history test. and a barista came up with the idea while they cleaned the espresso machine and busser fact-checked it on their break and the post-doc edited between writing grant proposals and the nurse apologized for typos in the notes after a long shift and behind every drabble and one-shot and multi-chapter fic there is a person with a wonderful and interesting and chaotic life and it is such a privilege that we get to be apart of it because they decided to do this thing we all share, for fun.
It’s so important to me that he says “Dr. Captain Ryland Grace” when sending the Beatles back to Earth. Because the Hail Mary was made for a Captain, a Scientist, and an Engineer. And Grace only claims the Captain and Scientist parts. Because Rocky is the Engineer! Rocky is the Hail Mary’s Engineer!!!
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