You are right, my bad. :) One is granite and the other one is granodiorite.
Granite is a rock with certain minerals in certain ratios: quartz, alkali feldspar(AF) and plagioclase(PL), where there is more AF than PL.(+accessory minerals of course but let’s keep it simple). Granodiorite has more PL than AF. For more information, look up the Streckeisen diagram, it’s a little scary at first but there are good explanations of it. :)
You are right, my bad. :) One is granite and the other one is granodiorite.
Sauce: https://www.reddit.com/r/Geologymemes/comments/1cqg1yb/how_identifying_rocks_feels_like_sometimes/
“granodiorite” sounds exactly like the kind of name someone who doesn’t want to admit it’s just granite would make up.
Minecraft taught me that diorite is also a stone, so maybe it’s when the two kinds of stones are mixed together?
Good ol’ grannies (granodiorite). They’re important and diagnostic 'round these parts. Migrated down from Canadia we reckon.
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