Discover and read the best of Twitter Threads about #mineralogy

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Petit thread croquis d'observation.

J'aime bien utiliser des crayons de couleurs différentes pour pouvoir superposer les différents dessins sans perdre le fil.
C'est moins clean ou présentable mais je préfère pour travailler. ImageImageImageImage
D'autres crobarts
Crabe au liner sur la plage :)
Bébé tortue au stylo à bille
Skull au carbon pen et brush.
Des fruits exotiques croqués à la mine de plomb sur un flyer qui traînait.

#illustration ImageImageImageImage
Le fait d'être graphiste me permet de rebidouiller derrière sans souci.

NB : La composition est importante quand il n'y aura pas de repentir et que je dois livrer un visuel complet.

Par ex les fameuses #cartanatomy qui ont été pensées et exécutées du début à la fin. ImageImageImageImage
Read 11 tweets
150 victims of the #Titanic are buried in 3 #Halifax cemeteries: Fairview Lawn, Mount Olivet and Baron de Hirsch. 149 have #headstones from the Hanson #Quarry in #NB. A #Dal prof spent 15 years figuring out where the stones are from cuz there are no historical records.
#nspoli Image
The stones and the #quarry were tested for #mineralogy, texture, chemical composition and age to see if they matched. That's harder than it sounds - the original rock is no longer in the quarry (it was extracted) and these features can vary within a deposit.
#nspoli #NovaScotia Image
Still, the analysis suggests the stones, donated by #titanic-owner #WhiteStar in 1912, are almost certainly from there.
The #headstones are 422 million-year-old #gabbro (aka black #granite) and a popular #Halifax tourist attraction.
#nspoli #NovaScotia #NS #cbpoli #NewBrunswick Image
Read 5 tweets

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