Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Luminescence Dating, a new method of age determination

20.03.2003


Physicists and geoscientists join forces in a Dutch research centre.



Luminescence dating is a new technology for the determination of the age of sediments such as sand. At the Netherlands Centre for Luminescence Dating (NCL), physicists and geoscientists join forces to use and improve this new method. The foundation of the NCL will be celebrated on Thursday 20th of March in the form of an opening symposium in the auditorium of the TNO-NITG building in Utrecht. TU Delft will act as secretary of the NCL.

Age determination of sediments is an essential tool for scientists to be able to reconstruct the landscapes of the past and to be able to determine what processes took place at that time. Moreover, this information can provide insights into the future of the landscape.


In luminescence dating, a sediment sample is exposed to heat or light of a certain wavelength. The radiation energy absorbed by the particles since burial is released in the form of light. The intensity of this luminescence signal is a measure for the age of the sediment particles.

This new method compliments the often-used carbon dating method (C14 method), which has a more limited age range. “With luminescence dating, one can research a larger time period,” says Dr. Jakob Wallinga, NCL director. “For example, the period of the beginning of the last ice age, about 100 000 years ago. With the C14-method, 40 000 years is the maximum period length.”

At the NCL, physicists from the University of Groningen and TU Delft join forces with geoscientists from TNO-NITG, the University of Utrecht, the University of Amsterdam and the ‘Vrije Universiteit’ Amsterdam. The main goals of the centre are to the make high-quality luminescence dating available for Dutch research and to develop new luminescence-dating technologies.

In the first part of the opening symposium, scientists from the Netherlands and abroad will discuss the latest developments and applications regarding luminescence dating. In the second part, speakers from TNO-NITG, the Royal Netherlands Academy of Arts Sciences (KNAW) and the Interfacultary Reactor Institute (IRI - TU Delft), will discuss their specific interests in the NCL. The symposium will be closed with the official signing of the ‘Agreement for co-operation concerning the Netherlands Centre for Luminescence Dating.’

Maarten van der Sanden | alfa
Further information:
http://www.tudelft.nl

More articles from Interdisciplinary Research:

nachricht A new method for the 3-D printing of living tissues
16.08.2017 | University of Oxford

nachricht Bergamotene - alluring and lethal for Manduca sexta
21.04.2017 | Max-Planck-Institut für chemische Ökologie

All articles from Interdisciplinary Research >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Fizzy soda water could be key to clean manufacture of flat wonder material: Graphene

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.

As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...

Im Focus: Exotic quantum states made from light: Physicists create optical “wells” for a super-photon

Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.

Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...

Im Focus: Circular RNA linked to brain function

For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.

While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...

Im Focus: RAVAN CubeSat measures Earth's outgoing energy

An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.

The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...

Im Focus: Scientists shine new light on the “other high temperature superconductor”

A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.

Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Call for Papers – ICNFT 2018, 5th International Conference on New Forming Technology

16.08.2017 | Event News

Sustainability is the business model of tomorrow

04.08.2017 | Event News

Clash of Realities 2017: Registration now open. International Conference at TH Köln

26.07.2017 | Event News

 
Latest News

A Map of the Cell’s Power Station

18.08.2017 | Life Sciences

Engineering team images tiny quasicrystals as they form

18.08.2017 | Physics and Astronomy

Researchers printed graphene-like materials with inkjet

18.08.2017 | Materials Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>