Top Tweets for #100daysofgeoscience
A lovely summary and how-to of an awesome project. And so stunning to see all #100daysofgeoscience posts in one location. What a great resource!
Want to know the back story to #100daysofgeoscience? Hereβs they story of how and why it happened, plus all 100 posts in one convenient location #GeoDownUnder @ScienceAU #superstarsofstem @MonashEAE @Monash_Science @WOMEESA https://t.co/S7dcCpiBKw
Want to know the back story to #100daysofgeoscience? Hereβs they story of how and why it happened, plus all 100 posts in one convenient location #GeoDownUnder @ScienceAU #superstarsofstem @MonashEAE @Monash_Science @WOMEESA https://t.co/S7dcCpiBKw
@melaniefinch_ wrote 100 geology posts over the past 100 days and it would be awful if such an enormous effort just blew away in the howling gale of twitter. Here they are ALL collected together to read in one go. #100DaysofGeoscience #GeoDownUnder
https://t.co/7jKYgXTJjK
Day 100: A subduction zone melange block in 3D. Blueschist and phengite schist interfolded, then folds rotated during shearing in the melange matrix. From Syros, Greece.
#100DaysofGeoscience
@AUGEN_TEAM member @melaniefinch_ has shared 100 *amazing* earth science photos over the last few months. Check them out #100DaysOfGeoscience π€© and drop her a message if you use any in your teaching! #geology
Day 100: A subduction zone melange block in 3D. Blueschist and phengite schist interfolded, then folds rotated during shearing in the melange matrix. From Syros, Greece.
#100DaysofGeoscience
Day 100: A subduction zone melange block in 3D. Blueschist and phengite schist interfolded, then folds rotated during shearing in the melange matrix. From Syros, Greece.
#100DaysofGeoscience
Day 99: Folds, faults and flanking folds in banded quartzite from Cap de Creus, N Spain.
#100DaysofGeoscience
Day 98: Something scary for Halloween: ghost folds! Everything you can see is crystallised melt remnants except for the dark folded layers. These are schlieren (layers of residual biotite) that were folded in the sedimentary rock, probably before melting. #100DaysofGeoscience
Day 97: Mt Gumburanjun, NW Himalaya: a dome, formed by intrusions of melt into the country rock, as you can see in the second and third pictures which are close shots.
#100DaysofGeoscience
Day 96: A bubbling mud pool at Rotorua, New Zealand. Rain water percolates down through the rocks and mud, heats up and rises up to the surface in these bubbling mud pools. The rocks here are hot because there is magma within a few kilometres of the surface.
#100DaysofGeoscience
Day 95: Porphyroclasts in ultramylonitic peridotite from the Finero complex, Italy under PPL (#1) and XPL (#2). On the bottom right of centre there is a grain with chessboard extinction. Other grains show kink bands, recrystallisation++
#100DaysofGeoscience #thinsectionthursday
Day 94: Leucocratic layer displaced by shear zones in granodiorite zoomed out (photo 1) and close up (photo 2).
#100DaysofGeoscience
Day 93: Zooming into folds rotated into a shear zone (image one is zoomed out and shows shear zone, image two is closer in, image three shows folds). From Cap de Creus, N Spain.
#100DaysofGeoscience
Day 92: Sunset over Eldee station in the Australian outback near Broken Hill, far west NSW
#100daysofgeoscience
Day 91: The brown layer here with the dark boundary is a pseudotachylyte within a mylonite. The mylonite formed in the hanging wall of a high temperature thrust shear zone and as the hanging wall moved upwards it cooled and brittle structures formed.
#100DaysofGeoscience
Day 90: Thin section image in PPL of isoclinal folds (hooks) in an orthogneiss. It is easy to imagine the folds were once joined together and have been sheared apart.
#100DaysofGeoscience
Day 89: Folded leucocratic layer in a mylonite. I spent a long time staring at this outcrop! There are a lot of different shear sense indicators
#100DaysofGeoscience
Day 88: A garnet porphyroblast with phengite in pressure shadows and on the edges, within a epidote-blueschist. From Syros, Greece.
#ThinsectionThursday #100DaysofGeoscience
Day 87: Migmatite (rock with layers) with a melt escape channel (diagonal layer from bottom centre to top right). Channels like these allow melt to migrate out of migmatites. Different channels can link up and ultimately melt can end up in large plutons #100DaysofGeoscience
If you haven't already seen @melaniefinch_'s video for the #STEM changemaker series, do check it out!
Still two weeks of #100DaysOfGeoscience to go too :)
"Telling someone theyβre good at something is more powerful than you think." @MonashEAE's Dr @melaniefinch_ features in the @WomensAgenda #STEM changemaker series talking all things geoscience, her career journey and helping others with imposter syndrome.
https://t.co/EtKpLrleNt
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