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PAESTA member Dave Curry came across an exciting prehistoric find on an exposed limestone outcrop while he and group of PAESTA members explored the Acid Mine Drainage (AMD) Remediation Project along the North Fork of the Montour Run.  Members of PAESTA were exploring this site as part of the K12 Teacher Weekend field trip during the 2017 NE/NC Joint GSA Conference in Pittsburgh.  This edge-on cross section of a Paleozoec horn coral was deposited in a warm, shallow sea sometime in the late Ordovician or Permian, some 251 to 488 million years ago.  Horn corals, which are distantly related to jellyfish, are solitary corals that are now extinct, as they died out during the Great Permian Extinction (The Great Dying).  This greatest of mass extinctions wiped out 96% of all marine species and 70% of all land species.  Thanks to the Montour Run Watershed Association (http://www.MRWA.info (link is external)) and Karen Rose Cercone of IUP for organizing the trip!

Note: This fossil-rich limestone may have been unearthed (not in its original site of deposition) and moved during coal extraction in this strip and deep mining coal area.

Full Taxonomic CLassification:

Domain: Eukarya

Kindom: Animal (Animalia)

Phylum: Cnidaria (Coelenterata)

Class: Anthozoa

Subclass: Zoantharia (Hexacorallia)

Order: Rugosa (rugose means wrinkled, which describes the outside horn shape)

Family: Zaphrentidae

Genus: Heliophyllum

 

 

Horn_Coral

Geoscience Policy Recommendations for the New Administration and the 115th Congress

Geoscience Policy Recommendations for the New Administration and the 115th Congress

From AGI, March 20, 2017, see webpage of press release (link is external)  --  Geoscientists gather and interpret data about the Earth and other planets, providing the data, tools, and expertise to help solve some of America’s greatest challenges. The policy proposals laid out in this document are centered around five high-level thematic areas:

Naturally acidic tannic acid-stained waters downstream of Black Moshannon Lake.

Black Moshannon Creek

New Geoscience Student Exit Survey Reflects Evolving Opportunities for Recent Graduates

AGI Press Release

From AGI  -- The American Geosciences Institute (AGI) Workforce Program announces the release of its annual Status of Recent Geoscience Graduates report. The report details the results of the 2016 Geoscience Student Exit Survey, documenting trends trends in geoscience coursework, enrollment, student experiences, as well as a recent shift in hiring patterns for new graduates.

Quarter-sized hail after a particularly intense thunderstorm in State College, PA.

State College hail

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