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#ThinSectionThursday a pseudomorphed#plagioclase#phenocryst from the#Brothers#volcano#NZ. Replaced by#natroalunite#silica and#smectite and surrounded by#clay with#pyrite and#anhydrite#EXP376#alteration#geology#hydrothermal@ECORD_IODPpic.twitter.com/Tg6lQOLLZM -
@pavementgeology maybe not exactly pavement but this is outside the old Bhs store in Plymouth#granite#phenocryst#meltpic.twitter.com/CMBjkMiF2j
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#MineralMonday Zoned#plagioclase#phenocryst with#magnetite in#dacite from the#Brothers#Volcano#Kermadec Arc#NZ@TheJR@DrDomTanner.@Bennett_EN would be proud!#EXP376#Volcano#Geology#Igneous#rocks#lavapic.twitter.com/QOyRPGlHGR
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#phenocryst#megacryst. Or just call them#knobs.#granite doing its thing in#yosemite http://instagram.com/p/hhwyM7A_IS/ -
@paleeoguy Here's a closer look at the "worm burrow" gabbro!#pseudofossil#phenocryst#mafic#porphyriticpic.twitter.com/CZBco66VIZ
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Absolutely
#huge#phenocryst in this nice sample from the#14er Mt. Lincoln in#colorado Follow… https://www.instagram.com/p/BKWKH52BCXA/ -
“Allows you to see unnecessary patterns and change them.”
#phenocryst@ShipyardPumpkin@CryptoMvmt@NeckDeepUK#shesagod#neckdeep#purity#crystalpower#sunshinelove#powercrypto#meditation#snowflakeobsidian#bitcoin
#pumpkinhead#serenity *please consume responsibly
21.pic.twitter.com/XwhbStHB8q
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Everything's coming up
#geology#feldspar#pigsegg#phenocryst#faultline#robertgoddard https://instagram.com/p/6-_SMoNqIR/ -
Sometimes the pretty rocks are also the scientifically interesting ones: http://photojournal.jpl.nasa.gov/catalog/PIA17768 …
@MarsCuriosity#Geology#phenocryst
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