#age dating

[scitechman]

Radium Isotopes In Soil Reveal Age Of Oil And Gas Wastewater Spills

Radium Isotopes In Soil Reveal Age Of Oil And Gas Wastewater Spills

Spills from oil and gas operations can contaminate local water and soil with high levels of toxic chemicals, salts and radioactivity, but in many cases there is insufficient information to determine how long ago the spill occurred and identify its source.

A trio of new age-dating methods developed at Duke University can now answer these questions.

Tests in soils affected by oil and gas…

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[scitechman]

Uranium 'age-dating' in nuclear safeguards and nuclear forensics

Uranium ‘age-dating’ in nuclear safeguards and nuclear forensics

JRC scientists carried out the methodology, preparation, target characteristics and certification of the first uranium reference materials certified for their production date.

To avoid the illicit use of nuclear materials, EURATOM and international safeguards authorities have set up systems to verify the correctness and completeness of States’ declarations about nuclear-related activities. The…

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[lpschaiku]

Lunar analogue: An in-situ instrument yields isochron age

Anderson, Levine, and Whitaker, 2015/1361:  “Rb-Sr Dating of a Lunar Analogue with a Prototype In-Situ Dating Spectrometer”

[scienceonyoutube]

Four ways to understand the Earth's age - Joshua M. Sneideman

Old curriculum: Subject: Earth Science 11 IRP Curriculum Organizer: Geological Time Scale IRP PLO: D1: ... assess the significance of age dating, the fossil record, and the Geological Time Scale

Subject: Geology 12 IRP Curriculum Organizer: Geological Time IRP PLO: D1: ... relate relative age dating to the development of the Geological Time Scale

Channel: TED-Ed Host: Joshua M. Sneiderman Date: August 29, 2013 Length: 3:44 YouTube video description: The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth's lifetime to one calendar year, events like the extinction of dinosaurs and Columbus setting sail took place relatively recently. Joshua M. Sneideman reminds us of our time and place in the universe.

[scienceonyoutube]

PLAYLIST: Fossils

Old curriculum: Subject: Earth Science 11 IRP Curriculum Organizer: Geological Time IRP PLO: D1: ... assess the significance of age dating, the fossil record, and the Geological Time Scale

Subject: Geology 12 IRP Curriculum Organizer: Geological Time IRP PLO: D3: ... relate the fossil record to the Geological Time Scale

Channel: thebrainscoop Host: Emily Graslie Dates: January 1 - September 24, 2014 Length: 50:02 Videos:

Dimetrodon is Not A Dinosaur

Fossil Sharks

Fossil Meteorites

Siats meekerorum

In Search of Fossil Fish

Fossil Fish, Pt. II: A History

Fossil Fish, PT. III: The Preparation

Description:  A seven-video playlist of all of the fossil-related content on the YouTube channel The Brain Scoop. Within this playlist there is an interesting three-part series on Fossil Fish, detailing an archaeological dig at Fossil Lake, Wyoming.