@mcrowerocks

Geochemist at University of Auckland. Geologist, Volcanologist, Geochemistry, Igneous Petrologist

 Auckland, New Zealand
Joined January 2017
  • Tweets102
  • Following88
  • Followers410
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OK petrologists, this is probably the most interesting outcrop I've been to. Calling it 'tire tread' texture. Reminds me of the doublets at Stillwater. Oblique to quartzite contact to the left and main body of gabbro to the right. Didn't even stop for #geologylunch. @EnvUoA
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Not sure if anyone I know is still on Twitter/X but I'm moving to bluesky. Find me there @cutenzrockguy.bsky.social
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Five years of planning and IAVCEI 2021...2023 is finally over!
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Great to see our students @tuff_bickies and thomas stolberger getting credit for new discoveries. Even if @GeoscienceNZ president can't pronounce the species names! @EnvUoA
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Congratulations @NZSeds for winning the prestigious GSNZ Hochstettler lecturer award. Very well deserved, we can't wait to hear about your submarine landslide work! @EnvUoA
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1st day of our fieldtrip as part of the LifeSprings Mars sample return mission planning meeting. Looking at various terrestrial samples of digitate sinter. Wai-O-Tapu champagne pool. @EnvUoA
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Congratulations @ShreyaKanakiya on getting the last chapter of your PhD published (far more efficient than I was(am?)!) @EnvUoA authors.elsevier.com/a/1f%7E…
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It is always great to see a Masters student translate their thesis to a publication- it doesn't happen for everyone so well done @tuff_bickies. Also loving Oxford Uni Press's new open access agreements with NZ Universities. @EnvUoA doi.org/10.1093/petrology/eg…
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Dresser Formation 3.48 Ga stromatolites. Investigating depostitional environments of some of earliest land-based life. @EnvUoA
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Congratulations Jie Wu. Final PhD chapter is now out, open access. Https://doi.org/10.1007/s004… Now I need to find a new project in the Jemez Mountains...

Long-lived dacitic magmatic systems and recharge dynamics in the Jemez Mountains volcanic field,...

Contributions to Mineralogy and Petrology - We examine the connected history of dacite-dominant volcanic rocks of the Tschicoma Formation, erupted between 5.5 and 2 Ma from the Jemez...

link.springer.com
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My final Chilean edition #geologylunch is a reminder to always watch for crossing alpacas.
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More fun with dikes (diorite this time) intruding black Devonian to Carboniferous metasediments. PhD student Eduardo and field assistant Marcelo for scale. @TectonoFluids @EnvUoA
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Bigger picture view of 'tire tread texture'
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Collecting samples and orientation data from dikes today. I'll cut to the chase, there are a lot of them on these steep phyllite-quartzite slopes. @EnvUoA
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Finally able to get into the field with one of the PhD students I'm co- supervising (Eduardo Fritz). I can leave NZ but he still can't get in. #geologylunch brought to you today from the coastal Cordillera in Chile. @EnvUoA
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Wrapping up yesterday's virtual field trip to Hungatahua River. @NZSeds explains the connection between geomorphology and giant deformed cows?
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Rocks prepped for our virtual fieldtrip starting today. Check out the earthsci 320 trip at aucklandvirtualfield.cloud.e… @NZSeds @NZgeoscientist
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For something a little different today, here's a look at our new study examining strontium isotopes and trace elements of individual tree rings in New Zealand kauri, looking at the potential for environmental/climate and provenance applications. authors.elsevier.com/a/1eqh7… @EnvUoA
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Wenderholm scout trip (not quite #geologylunch) but I will count it.
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Oakura Beach, imaging megaclasts in a debris avalanche deposit for our virtual Earth Sci fieldtrip. #geologylunch
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