Top Tweets for #ventifact
Today the humans went on #hedgewatch/#hike. It's the time when the #heath is blooming. Beautiful 😻 ...and since its also a place left 10.000a ago by #glaciers as a #desert my humans took another #ventifact/#windkanter home...
#PawForScale
#geology #nature #landscapephotography
Martian #ventifact
WOW!
What a spectacular example of @NASAPersevere's Gaseous Dust Removal Tool (GDRT), which uses short puffs of nitrogen gas to blow dust away and reveal the fresh rock surface underneath.
Zoom in for an AWESOME glimpse of some fresh, shiny rock grains ON MARS!!
Today my humans were on #hedgewatch and didn't bring a #ventifact/#windkanter, but a piece of #chert home. Why? Because it has #conchoidal #fractures-fractures with curved patterns on the #fracture plain. This is typical for #amorphous-or very fine grained #material.
#geology
Aqa geography students when the ventifacts 6 marker came up during hot deserts and AQA weren’t baiting us the whole time #alevels2022 #geographyalevel #aqa #hotdeserts #ventifact
Follow this thread for some #ventifact facts #GEOG21512 @GeographyUOM (and from a former league of landforms from BSG)
The varying faces of #Ventifacts
(1) these edges = #facets (planar surfaces forming at right angles to wind direction).
Rock type: dolerite (I think), location: Cunene River Terrace, Namibia, photo credit: @megafloods (I think).
Also notice shine/sheen from #windpolish
Oh no, my humans went for a walk & brought yet another #ventifact /#windkanter home… My friends & furiends on Twitter know that is happens frequently & that we have probably the largest collection of ventifacts on the whole planet
#CatForScale
#geology #geography #CatsOfTwitter
@StrucGeology We live in the wrong place: no mountains, no outcrops... My humans are so desperate that they have started collecting rocks called #ventifact / #windkanter because those are the only rocks here...
#geology #outcrop
Today my humans had their #Easter walk and couldn't resist to give a another #ventifact #windkanter a new home. Please see #PawForScale
They also met some #alpacas that took their humans for a walk!
I wish you all #HappyEaster
#CatsOfTwitter #ALPACA #GeologyWithCats
#Rocktober #ventifact Not in my collection, but found two cool images. 1. A @NASA man-made device to experiment w/ ventifact creation 2. A great visual explaining wind direction and “ram”i-factations . 😎 @FossilLocator @PlanetB612fm
Day 4 #Rocktober - #Ventifact
A ventifact is a rock shaped by wind rather than water, humans, etc. You see them in arid areas, like, oh, Mars, where winds reach up to 60mph and there is not a lot of protection against it.
Below image from https://t.co/UKgPkVwiW5
#Inktober #inktober2020 #inktober2020day4 - Radio
J'ai pas trouvé d'animaux en rapport avec une onde radio alors j'ai pris l'écholocation à la place.
Profitez-en pour écouter le #Rocktober de @BobbyPropage, #ventifact
Day 4 - #Ventifact
The product of natural sandblasting, ventifacts form in environments dominated by aeolian (wind) processes.
Countless micro-impacts from grains of sand carve exposed rocks - even on other planets!
Pictured:
Ventifact, Spirit site, Mars, Laity & Bridges, 2009
Today I present a #ventifact or #Windkanter. Ventifacts are #rocks receiving their edged shape, by wind transported sand or ice particles. You find them typically in #deserts. This is from an outwash plain in the middle of Europe.
#geology #GeologyWithCats
@mikamckinnon My current favourite #Rock: a #Ventifact (in fact a #Dreikanter) I picked up in the #desert in #Oman last autumn. #OhYeahBaby!
A wind-sculpted vetifact rock formation near the top of Mt 1882 in the McMurdo Dry Valleys, Antarctica. I can't make my mind up what animal it looks the most like, possibly a kakapo?
#Antarctica #nature #geologyrocks #geology #ventifact
Beside the wind sculpted rocks at the Catacombs on Mt 1882, above the Taylor Valley, McMurdo Dry Valleys, Antarctica.
#Antarctica #nature #ventifact #wind #dryvalleys #polar #explore
Lovely #dreikanters found in #Oman at the weekend: A #ventifact that typically forms in #desert environments due to the abrasive action of blowing sand, exhibiting a characteristic pyramidal shape with three wind-abraded facets (Dreikanter=German for 3-edged)
@GCG
#EarthSciWeek
The landscape was barren save for a sole #ventifact in the distance. With no other sense for direction, I headed towards it, praying for water in the heat of the desert-like abyss. When I reached the rock, a man stood in its place, pointed teeth exposed in an evil grin. #dvprompt
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