Diamonds Found in Ureilites Formed During Gigantic Planetary Collisions 30SEP2020

 Diamonds Found in Ureilites Formed During Gigantic Planetary Collisions

Largest Extraterrestrial Diamonds Ever Discovered:

Cosmic Diamonds Formed During Gigantic Planetary Collisions

Goethe University, Frankfurt, September 29, 2020

https://scitechdaily.com/largest-extraterrestrial-diamonds-ever-discovered-cosmic-diamonds-formed-during-gigantic-planetary-collisions/

The paper is:

Nestola, F., Goodrich, C.A., Morana, M. Barbaro, A.,

Jakubek, R.S., Christ, O., Brenker, F.E., Domeneghetti,

M.C., Dalconi, M.C., Alvaro, M., Fioretti, A.M., Litasov,

K.D., Fries, M.D., Leoni, M., Casati, N.P.M., Jenniskens,

P., and Shaddad, M.H., 2020. Impact shock origin of

diamonds in ureilite meteorites. PNS, Sept 19, 2020.

https://www.pnas.org/content/early/2020/09/22/1919067117

Yorus,

Paul H.

Giant crystals of orthopyroxene from Shakla meteorite 20SEP2020

 Giant crystals of orthopyroxene from Shakla meteorite

Giant crystals of orthopyroxene from Shalka meteorite

https://twitter.com/TimCosmos/status/1238049722197295104

https://www.reddit.com/r/geology/comments/fheny5/giant_crystals_of_orthopyroxene_comprise_the/

https://www.mindat.org/loc-260347.html

An unrelated  article about technique used

in dating impact events,

Researchers unlock secrets of the past with

new international carbon dating standard

University of Sheffield, August 12, 2020

https://news.arizona.edu/story/researchers-unlock-secrets-past-new-international-carbon-dating-standard

"Radiocarbon dating is set to become more

accurate than ever after an international team

of scientists improved the technique for

assessing the age of historical objects."

Various open access papers about IntCal 20

can be found at:

https://www.cambridge.org/core/journals/radiocarbon/calibrations/intcal-20

Yours,

Paul H.

Meteorite 'gold rush' after meteor falls over Prescott, Arizona 20SEP2020

 Meteorite 'gold rush' after meteor falls over Prescott, Arizona

Meteorite 'gold rush' after meteor falls over Prescott

By: Chloe Mar, Northern Arizona News, Feb 17, 2020

https://www.abc15.com/news/region-northern-az/prescott/meteorite-gold-rush-after-meteor-falls-over-prescott

Expert in Prescott describes Sunday meteor event in northern Arizona

Joey Carrera, AZFamilyNews, Feb 16, 2020

https://www.azfamily.com/news/expert-in-prescott-describes-sunday-meteor-event-in-northern-arizona/article_282bfc50-5140-11ea-8249-aff2ac03c70c.html

Yours,

Paul H.

So, uh, is there a black hole at the center of the Earth? - One of Five Retracted Papers 16OCT2020

 So, uh, is there a black hole at the center of the Earth? - One of Five Retracted Papers

13 Scientists Say in a Real Journal There's a Black

Hole at the Center of Earth, Caroline Delbert, Sept. 28, 2020

https://www.popularmechanics.com/science/environment/a34166354/black-hole-center-of-earth-fake-study/

Retraction: A Black Hole at the Center of Earth Plays the

Role of the Biggest System of Telecommunication for

Connecting DNAs, Dark DNAs and Molecules of Water

on 4+N- Dimensional Manifold

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6910781/

Retraction: Five papers from Open Access Maced

J Med Sci. Vol. 7 No. 18 (2019): Sep 30 (Global Dermatology)

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6910781/citedby/

Yours,

Paul H.

Colonisation and alteration of stony meteorites by microorganisms 09SEP2020

Colonisation and alteration of stony meteorites by microorganisms

Tait, A.W., 2017. On the colonisation and alteration
of stony meteorites by microorganisms from the
Nullarbor Plain, Australia: Applications for future
astrobiology exploration on Mars (Doctoral dissertation,
Monash University).
https://bridges.monash.edu/articles/On_the_colonisation_and_alteration_of_stony_meteorites_by_microorganisms_from_the_Nullarbor_Plain_Australia_Applications_for_future_astrobiology_exploration_on_Mars/5120314/1

Tait, A.W., Gagen, E.J., Wilson, S.A., Tomkins, A.G.
and Southam, G., 2020. Eukaryotic Colonization
of Micrometer-Scale Cracks in Rocks: A “Microfluidics”
Experiment Using Naturally Weathered
Meteorites from the Nullarbor Plain, Australia.
Astrobiology, 20(3), pp.364-374.
https://www.liebertpub.com/doi/abs/10.1089/ast.2019.2077

Tait, A.W., Gagen, E.J., Wilson, S.A., Tomkins, A.G.
and Southam, G., 2017. Microbial populations of
stony meteorites: substrate controls on first colonizers.
Frontiers in microbiology, 8, p.1227.
https://www.frontiersin.org/articles/10.3389/fmicb.2017.01227/full

Yours,

Paul H.

Meteorite strikes may create unexpected form of silica 05SEP2020

 Meteorite strikes may create unexpected form of silica

Meteorite strikes may create unexpected form of silica

Carnegie Institution for Science, August 26, 2020

https://www.sciencedaily.com/releases/2020/08/200826151306.htm

The paper is:

Sally June Tracy, Stefan J. Turneaure, Thomas S. Duffy.

Structural response of ??-quartz under plate-impact

shock compression. Science Advances, 2020; 6 (35):

eabb3913 DOI: 10.1126/sciadv.abb3913

https://advances.sciencemag.org/content/6/35/eabb3913

Yours,

Paul H.