Research Continues At Bee Bluff Structure in South Texas 27JUL2018

 Research Continues At Bee Bluff Structure in South Texas

Research continues at the suspected impact structure

and controversial Bee Bluff feature in South, Texas.

High-impact research: SAC team looks for meteorite crater

By Brian Contreras, July 24, 2018

https://www.mysanantonio.com/news/local/article/High-impact-research-SAC-team-looks-for-13101127.php

Online papers about Bee Bluff.

Sharpton, V.L. and Nielsen, D.C., 1988, March. Is the Bee

Bluff structure in S. Texas an impact crater?. In Lunar and

Planetary Science Conference (Vol. 19).

http://adsabs.harvard.edu/full/1988LPI....19.1065S

Graham, R.A. and Wilson, W.F., 2005, March. Reinvestigation

of the Bee Bluff Structure South of Uvalde, Texas,The Uvalde

Crater.'. In 36th Annual Lunar and Planetary Science Conference

(Vol. 36).

https://www.lpi.usra.edu/meetings/lpsc2005/pdf/1086.pdf

Jurena, S.D., French, B.M. and Gaffey, M.J., 2001. Planar

Deformation Feature Orientations and Distribution in Quartz

Grains from the Carrizo Sand Formation in South Texas: Relation

to the Bee Bluff Structure. Lunar and Planetary Science XXII

abstract, (1828).

https://www.researchgate.net/publication/252543400_Planar_Deformation_Feature_Orientations_and_Distribution_in_Quartz_Grains_from_the_Carrizo_Sand_Formation_in_South_Texas_Relation_to_the_Bee_Bluff_Structure?ev=publicSearchHeader&_sg=xOJPIIEGfz8EFsjkOH3scfBUz8h1JFDsbXt9HHsYeFVmuqPILuhhS-BtWeY9qGH_jNcKX0Wo4SjjjAs

More papers about Bee Bluff in ResearchGate at:

https://www.researchgate.net/search?q=%22bee%20bluff%22

Feathergail Wilson, W. and Hord Wilson, D., 1979. Remnants of

a probable Tertiary impact crater in south Texas. Geology, 7(3),

pp. 144-146.

https://pubs.geoscienceworld.org/gsa/geology/article-abstract/7/3/144/188748

Yours,

Paul H.

Online Guidebook to Western Australian Impact Craters 24JUL2018

 Online Guidebook to Western Australian Impact Craters

I came across a quite interesting field guide to

impact craters of western Australia. It has

detailed descriptions of several impact craters

and associated impactites.

It is:

Western Australian impact craters - a field guide

Field Excursion 20-29 August 2012 (Post

Meteoritical Society Conference Excursion)

Geological Survey of Western Australia

http://museum.wa.gov.au/research/departments/earth-and-planetary-sciences/western-australian-impact-craters-field-guide

http://museum.wa.gov.au/sites/default/files/Met-FT-2012.pdf

Yours,

Paul H.

Collapse of civilizations worldwide defines youngest unit of the Geologic Time Scale 17JUL2018

 Collapse of civilizations worldwide defines youngest unit of the Geologic Time Scale

Collapse of civilizations worldwide defines youngest unit
of the Geologic Time Scale, Late Holocene Meghalayan Age
http://www.stratigraphy.org/index.php/ics-news-and-meetings/119-collapse-of-civilizations-worldwide-defines-youngest-unit-of-the-geologic-time-scale
http://www.stratigraphy.org/ICSchart/ChronostratChart2018-07.pdf

CS chart containing the Quaternary and Cambrian
GSSPs and new stages (v 2018/07) is now released!
http://www.stratigraphy.org/index.php/ics-news-and-meetings/120-ics-chart-containing-the-quaternary-gssps-and-new-stages-v-2018-07-is-now-released
http://www.stratigraphy.org/ICSchart/ChronostratChart2018-07.pdf

"proposal submitted by ICS that subdivides the Holocene Series
into the Greenlandian (11,700 yr b2k), Northgrippian (8326 yr b2k),
and Meghalayan (4200 yr before 1950) stages, and that these
stages correspond to the Lower, Middle and Upper Holocene
subseries. A speleothem collected from the Mawmluh Cave,
northern India, serves as the GSSP for the Meghalayan Stage
and will be curated in the Smithsonian Institution, Washington DC."

Yours,

Paul H.

Shergotty Achondrite Paper Now Online 16JUL2018

 Shergotty Achondrite Paper Now Online

Stöffler, D., Ostertag, R., Jammes, C., Pfannschmidt, G., Gupta,

P.S., Simon, S.B., Papike, J.J. and Beauchamp, R.H., 1986. Shock

metamorphism and petrography of the Shergotty achondrite.

Geochimica et Cosmochimica Acta, 50(6), pp. 889-903.

https://www.researchgate.net/publication/326156964_Shock_metamorphism_and_petrography_of_the_Shergotty_achondrite

https://www.researchgate.net/profile/Dieter_Stoeffler

https://www.researchgate.net/search.Search.html?type=publication&query=Shergotty

Yours,

Paul H.

The Violent Origin of the Earth and Moon 14JUL2018

 The Violent Origin of the Earth and Moon

Hi,

A fascinating lecture that I listened to last night is:

Sarah Stewart, "The Violent Origin of the Earth and Moon"

Harvard University, Aug 31, 2016

https://www.youtube.com/watch?v=ObI18hOdAZQ

Also, there is an interesting philosophy of science lecture.

Noah Feldman: On the Nature of Evidence

Harvard University, February 3, 2014

https://www.youtube.com/watch?v=IuXz0El70dk

Both are worth making time for on the weekend.

Yours,

Paul H.

Rare Binary Asteroid and Two Asteroids Passed Close to Earth 13JUL2018

 Rare Binary Asteroid and Two Asteroids Passed Close to Earth

Cosmic Double Take: Rare Binary Asteroid Discovered Near Earth

By Meghan Bartels, Space.com, July 12, 2018

https://www.space.com/41154-rare-binary-asteroid-discovery-near-earth.html

Two asteroids zipped by Earth hours before anyone noticed

The bus-sized pieces of space debris whipped by us at relatively

close range over the weekend. by Eric Mack, Cnet, July 11, 2018

https://www.cnet.com/news/asteroid-2018-nw-nx-zipped-by-earth-hours-before-first-being-spotted/

2018 NX

https://minorplanetcenter.net/db_search/show_object?object_id=K18N00X

https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20NX&orb=1

MPEC 2018-N34 : 2018 NW

https://minorplanetcenter.net/mpec/K18/K18N34.html

https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2018%20NW&orb=1

Yours,

Paul H.

Update on Offshore Meteorite Hunt - Washington Coast 05JUL2018

 Update on Offshore Meteorite Hunt - Washington Coast

Meteor fragments possibly found on ocean floor off Washington

coast Researchers may have found space rocks in the Pacific Ocean.

Drew Mikkelsen, July 3, 2018

https://www.king5.com/article/news/local/meteor-fragments-possibly-found-on-ocean-floor-off-washington-coast/281-570283921

 

Meteorite search off the Washington coast recovers two

small fragments by Sandi Doughton, Seattle Times, July 3, 2018

https://www.seattletimes.com/seattle-news/meteorite-search-off-the-washington-coast-recovers-two-small-fragments/

 

Yours,

 

Paul H.

Toxic Giant Hogweed Spreading - Warning to Meteorite Collectors 03JUL2018

 Toxic Giant Hogweed Spreading - Warning to Meteorite Collectors

Although the below article do not specifically mention

meteorite collecting, it discusses a nasty, hazardous

plant, that meteorite collectors and anyone either collecting,

working or playing in the outdoors need to be aware of

and avoid.

'Horror Plant' causes 3rd-degree burns, blindness,

is spreading in Upstate NY (photos)

By Ben Axelson | baxelson@nyup.com June 26, 2018

https://www.sciencealert.com/invasive-toxic-giant-hogweed-burns-skin-blindness-virginia-clarke-county

https://www.newyorkupstate.com/expo/news/erry-2018/06/f2e509cfd11171/horror_plant_causes_3rddegree.html

https://nypost.com/2018/06/17/this-plant-causes-3rd-degree-burns-permanent-blindness/

Yours,

Paul H.

Debate about the Younger Dryas Impact Hypothesis Continues 02JUL2018

 Debate about the Younger Dryas Impact Hypothesis Continues

The debate continues.

Why won’t this debate about an ancient cold snap die?

Despite mainstream opposition, a controversial comet impact hypothesis persists

BY Caroyln Gramling, Science News, June 26, 2018

https://www.sciencenews.org/article/younger-dryas-comet-impact-cold-snap

Yours,

Paul H.

International Asteroid Day 30JUN2018

 International Asteroid Day

"Asteroid Day (also known as International Asteroid Day)

is an annual global event which is held on the anniversary

of the Siberian Tunguska event that took place on June 30th, 1908."

https://en.wikipedia.org/wiki/Asteroid_Day

International Asteroid Day: Are we ready if an asteroid

strikes Earth? Ashley Strickland, CNN, June 29, 2018

https://www.cnn.com/2018/06/29/world/international-asteroid-day-space-missions/index.html

Letter of Recommendation: Asteroid Day

New York Times, Erica Berry, June 20, 2018

https://www.nytimes.com/2018/06/20/magazine/letter-of-recommendation-asteroid-day.html

Let's check in on The Planetary Society's asteroid hunters

Jason Davis, The Planetary Society, June 29, 2018

http://www.planetary.org/blogs/jason-davis/shoemaker-update-2018.html

Asteroid Day Live From Luxembourg

https://asteroidday.org/live/

https://spacepolicyonline.com/events/asteroid-day-live-from-luxembourg-june-29-july-1-2018-luxembourg/

Yours,

Paul H.

Meteorite Hunt Streamed Live on Monday, July 2 and Tuesday, July 3 28JUN2018

 Meteorite Hunt Streamed Live on Monday, July 2 and Tuesday, July 3

Scientists to look for meteorite remnants off Pacific coast

The expedition next Monday and Tuesday will be streamed live on the web.

Wednesday, June 27, 2018 5:59am

https://www.heraldnet.com/northwest/scientists-to-look-for-remnants-of-meteorite-in-olympic-coast-national-marine-sanctuary/

Yours,

Paul H.

Japan’s Hayabusa 2 Spacecraft Now Orbits Ryugu Asteroid 28JUN2018

 Japan’s Hayabusa 2 Spacecraft Now Orbits Ryugu Asteroid

Japan's Hayabusa 2 spacecraft reaches cosmic 'diamond'

By Paul Rincon, BBC News, 27 June 2018

https://www.bbc.com/news/science-environment-44603120

Japan’s Hayabusa 2 Spacecraft Has Officially Entered Orbit

Around the Ryugu Asteroid, George Dvorsky, Gizmo

https://gizmodo.com/hell-yes-japan-s-hayabusa2-spacecraft-has-officially-e-1827166767

Yours,

Paul H.

Public wants NASA to Monitor Asteroids/objects that Could hit the Earth

Public wants NASA to Monitor Asteroids/objects that Could hit the Earth

NASA’s priorities appear to be out of whack with what the public wants
"The public thinks that we should have a space program that saves Earth."
https://arstechnica.com/science/2018/06/nasas-priorities-appear-to-be-out-of-whack-with-what-the-public-wants/

One of the highest public support for NASA priorities is:
"..."monitor asteroids/objects that could hit the Earth" (62 percent)."
Majority of Americans Believe It Is Essential That the U.S. Remain
a Global Leader in Space Despite the increasing role of private
companies in space exploration, most believe NASA’s role is still
vital for future, Pew Research Center, June 6, 2018
http://www.pewinternet.org/2018/06/06/majority-of-americans-believe-it-is-essential-that-the-u-s-remain-a-global-leader-in-space/

Yours,

Paul H.

Aliens Are Real, But Humans Will Probably Kill Them All

Aliens Are Real, But Humans Will Probably Kill Them All

Yet another paper about extraterrestrial intelligence and
the Fermi paradox. It is interesting to see that the lack of
solid evidence does not inhibit writing about a subject.

Aliens Are Real, But Humans Will Probably Kill Them All, New Paper Says
By Brandon Specktor, Live Science, June 1, 2018
https://www.livescience.com/62715-first-in-last-out-fermi-paradox-answer.html


"First in, last out" solution to the Fermi Paradox Alexander Berezin
(Submitted on 20 Mar 2018 (v1), last revised 27 Mar 2018 (this version, v2)
https://arxiv.org/abs/1803.08425

https://arxiv.org/pdf/1803.08425.pdf

Yours,

Paul H.

Beware of Predatory Journals

Beware of Predatory Journals

I get two to four invitations a month from such dodgy journals.
They are titled as to either mimic real scientific journals or sound
like legitimate publications.

Thirteen ways to spot a ‘predatory journal’ (and why we
shouldn’t call them that) Larissa Shamseer and David
Moher have taken a close look at what it is that sets
dodgy journals apart from the rest, March 27, 2017
https://www.timeshighereducation.com/blog/thirteen-ways-to-spot-a-predatory-journal-and-why-we-shouldnt-call-them-that

Rise in 'predatory publishers' has sparked a warning for
scientists and researchers By Chris McLoughlin, ABC News,
http://www.abc.net.au/news/2018-04-13/rise-in-predatory-publishers-sparks-warning-for-researchers/9640950

Allen, M., 2018. Beware the Predatory Journal: It’s Not Just Fieldwork
That is Dangerous. SAA Archaeological Record. 18(3) pp. 6-9.
http://www.saa.org/Portals/0/SAA/Publications/thesaaarchrec/SAA_Record_May_2018%20FINAL%20WEB%205.10.18.pdf
http://onlinedigeditions.com/publication/?i=496953&view=contentsBrowser#{"issue_id":496953,"view":"contentsBrowser"}

Johal, J., Ward, R., Gielecki, J., Walocha, J., Natsis, K., Tubbs, R.S. and
Loukas, M., 2017. Beware of the predatory science journal: a potential
threat to the integrity of medical research. Clinical Anatomy. 30(6)
https://www.researchgate.net/publication/316992936_Beware_of_the_Predatory_Science_Journal_A_Potential_Threat_to_the_Integrity_of_Medical_Research

Beware! Academics are getting reeled in by scam journals
The number of predatory publishers is skyrocketing – and they’re
eager to pounce on unsuspecting scholars.
By Alex Gillis, University Affairs, January 17, 2017
https://www.universityaffairs.ca/features/feature-article/beware-academics-getting-reeled-scam-journals/

Yours,

Paul H.

Martian meteorite clarifies origin of Martian geomorphology

Martian meteorite clarifies origin of Martian geomorphology

Ancient meteorite tells tales of Mars topography
by Anne M Stark, Lawrence Livermore National
Laboratory, May 24, 2018
https://phys.org/news/2018-05-ancient-meteorite-tales-mars-topography.html

'Black Beauty' Meteorite Study Reveals the Secrets
of Mars' Strange Topography by Andrew LaSane,
Outer Places, May 24, 2018
https://www.outerplaces.com/science/item/18499-black-beauty-meteorite-mars


The open access paper is:

William S. Cassata, Benjamin E. Cohen, Darren F. Mark,
Reto Trappitsch, Carolyn A. Crow, and others, 2018,
Science Advances 23 May 2018: Vol. 4, no. 5, eaap8306
DOI: 10.1126/sciadv.aap8306
http://advances.sciencemag.org/content/4/5/eaap8306

Yours,

Paul H.

Ground-Dwelling Birds Survived End-Cretaceous Mass Extinction

Ground-Dwelling Birds Survived End-Cretaceous Mass Extinction

When the dinosaurs died, so did forests -- and tree-dwelling birds
Chicago Field Museum, May 24, 2018
https://www.sciencedaily.com/releases/2018/05/180524141736.htm

http://www.hastingstribune.com/asteroid-that-wiped-out-the-dinosaurs-also-shaped-the-evolution/article_001faecc-7f3f-588c-b23d-535d0d2b057b.html

The abstract of the paper is at:

Daniel J. Field, Antoine Bercovici, Jacob S. Berv, Regan Dunn,
David E. Fastovsky, Tyler R. Lyson, Vivi Vajda, and Jacques A.
Gauthier, 2018, Early Evolution of Modern Birds Structured
by Global Forest Collapse at the End-Cretaceous Mass Extinction.
Current Biology, 2018; DOI: 10.1016/j.cub.2018.04.062
https://www.sciencedirect.com/science/article/pii/S0960982218305347?via%3Dihub


Related articles are:

Asteroid Impact That Wiped Out The Dinosaurs
Also Caused Abrupt Global Warming, All Things Considered
https://www.npr.org/sections/thetwo-way/2018/05/24/614105843/asteroid-impact-that-wipedout-the-dinosaurs-also-caused-abrupt-global-warming

Humanity's greatest challenge to save the world from catastrophic
asteroid impacts, By Megan Palin New Zealand Herald,
https://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=12041405

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)

OT - Watch Live as Hawaii’s Kilauea volcano erupts lava

OT - Watch Live as Hawaii’s Kilauea volcano erupts lava

Although this is off-topic, I found it quite fascinating.
CBC - Watch Live as Hawaii’s Kilauea volcano erupts lava
https://www.youtube.com/watch?v=VvS20fqTu34

Live Video: Kilauea Lava Flow Activity In Lower Puna Hawaii
https://www.youtube.com/watch?v=HtihmXFWqGo

https://www.youtube.com/watch?v=rFZ3OPnXm9o

CNN
https://www.cnn.com/specials/live-video-1

Yours,

Paul H.

Online Sudbury Impact Structure Publications

Online Sudbury Impact Structure Publications

A couple of publications about the Sudbury
Impact Structure that I found online are:

Anders, Denise, 2016, "The Sudbury Impact Structure -
New Insights Into the Origin and Emplacement
of the Basal Onaping Intrusion and the Parkin,
Trill and Foy Offset Dykes of the North Range"
Electronic Thesis and Dissertation
Repository. 4223. https://ir.lib.uwo.ca/etd/4223

Davidson, A., 1997. New developments in Grenville
Front Geology, Sudbury area, Ontario. Institute on
Lake Superior Geology, Field Trip Guidebook, 43 (part 3).
Geological Survey of Canada contribution no. 1997031
http://flash.lakeheadu.ca/~pnhollin/ILSGVolumes/ILSG_43_1997_pt3_Sudbury.CV.pdf

Yours,

Paul H.

Mercury's Crust Argued to be Thin

Mercury's Crust Argued to be Thin

Mercury's thin, dense crust. Mercury's crust is thinner than
anyone thought, new mathematical calculations reveal
University of Arizona, Science Daily, April 27, 2018
https://uanews.arizona.edu/story/new-estimates-mercurys-thin-dense-crust

https://www.sciencedaily.com/releases/2018/04/180427100306.htm

Sori, M.M., 2018. A thin, dense crust for Mercury.
Earth and Planetary Science Letters, 489, pp.92-99.
https://www.sciencedirect.com/science/article/pii/S0012821X18300955

Conclusions:

1. Topography on Mercury is not primarily compensated by Pratt isostasy.

2. Mercury's average crustal thickness is 26 ± 11 km, thinner than all
previous estimates.

Yours,

Paul H.