Navigation Links
September Geology and GSA Today media highlights
Date:8/28/2007

e vetted using tools such as scanning electron microscopy before radiocarbon dates are accepted uncritically.


Sediment mixing and stratigraphic disorder revealed by the age-structure of Tellina shells in Great Barrier Reef sediment
Matthew A. Kosnik, 6330 Sanaa Place, Dulles, VA 20189, USA; et al. Pages 811-814.

Coral reefs, one of the world's most charismatic ecosystems, are currently threatened by a variety of human impacts, and biologists have been studying them for only a few decades. Thus, the sedimentary record is the best option for adding historical perspective to questions in reef conservation biology. Kosnik et al. used dating techniques to examine the accumulation of dead shells in shallow-water Great Barrier Reef sediments. The top 20 centimeters of sediment was dominated by living clams, while the meter of sediment below that was thoroughly mixed on a sub-century scale. Kosnik et al. also found that small shells were more likely to be destroyed quickly leading to a size-biased death assemblage and that large shells are more likely to be buried quickly creating a size-biased age structure within lagoonal sediments. This study provides an important context for paleoecological studies in shallow-water reef systems, and emphasizes the importance of sediment mixing in these environments.


Physical and chemical evidence of the 1850 Ma Sudbury impact event in the Baraga Group, Michigan
Peir K. Pufahl, Acadia University, Earth and Environmental Science, Wolfville, Nova Scotia B4P 2R6, Canada; et al. Pages 827-830.

A catastrophic extraterrestrial impact 1850 million years ago produced the Sudbury crater, the second largest known impact site on Earth. Pufahl et al.s discovery of debris in northern Michigan, USA, produced from this impact has provided new information regarding the nature of this event. A prominent iridium anomaly in impact-generated tsunami deposits containing shocked quartz, sph
'/>"/>

Contact: Ann Cairns
acairns@geosociety.org
303-357-1056
Geological Society of America
Source:Eurekalert

Page: 1 2 3 4 5 6 7 8 9 10 11 12

Related biology news :

1. Great White shark evolution debate involves WSU Lake Campus geology professor
2. Team of international scientists departs today to discover the unknown in Chinas Himalayan region
3. Todays babies are fatter babies
4. Gene sequencing explains bioremediation bug
5. FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media
6. Activation of thermoreceptors mediates raw garlics burning pungency
7. A hope for oil spill bioremediation
8. Leading scientists rank endangered dolphins, porpoises most in need of immediate action
9. Several minute intermediate stage in virus-cell fusion discovered; opportunity for drug development
10. HIV accessory protein disables host immunity via receptor-protein intermediary
11. New journal article urges use of animal serum-free media for growing live cells
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/30/2014)... 30, 2014) People who suffer from asthma may ... control their asthma besides properly taking medications and avoiding ... in the Annals of Allergy, Asthma and Immunology ... Allergy, Asthma and Immunology (ACAAI), asthma sufferers can learn ... The woman described in the Annals article improved her ...
(Date:9/29/2014)... Monday, September 29: Between 1970 and 2010 populations ... the globe dropped 52 percent, says the 2014 ... Fund (WWF). This biodiversity loss occurs disproportionately in ... of high-income countries. , In addition to the ... point to other warning signs about the overall ...
(Date:9/29/2014)... In order to support the world,s needs ... polymers and more, new and more efficient catalytic ... of researchers, including several from Wayne State University, ... a new grant from the National Science Foundation. ... Design of Multicomponent Materials for Electrocatalytic Cascade Reactions," ...
Breaking Biology News(10 mins):Asthma symptoms kicking up? Check your exposure to air pollution 2Half of global wildlife lost, says new WWF report 2Wayne State research aims to develop new, more efficient catalytic materials 2
... boost our understanding of the fragile marine environment, the ... for Environment, Fisheries & Aquaculture Science (Cefas) are launching ... existing collaboration between the two institutions and establish exciting ... climate change on the marine environment will influence much ...
... science concern the behaviour of the most commonplace compound ... the mysteries are now being unravelled by the latest ... was presented at a recent conference organised by the ... and other compounds at the molecular level. , Some ...
... window into the Earths mantle, a University of Houston professor ... more complex than previously thought. Jonathan Snow, ... researchers in a North Pole expedition, resulting in a discovery ... layer that lies beneath the planets outer crust. These ...
Cached Biology News:New UEA-Cefas alliance launched 2ESF conference probes water's mysterious interactions at molecular level 2ESF conference probes water's mysterious interactions at molecular level 3Journey to the center of the earth: Discovery sheds light on mantle formation 2Journey to the center of the earth: Discovery sheds light on mantle formation 3
(Date:9/30/2014)... Applying a well-known optical phenomenon called thin-film ... has demonstrated the ability to "paint" ultra-thin coatings ... promise for making future, flexible electronic devices, creating ... next-gen rocket ships and spacecraft with extremely lightweight ... in water, it becomes iridescent, revealing a myriad ...
(Date:9/30/2014)... YORK , Sept. 30, 2014 ... and segments with highest potential revenues Do you ... updated report gives you revenue predictions for those ... For those therapies you find financial data, R&D ... analysis you get sales forecasts to 2024 at ...
(Date:9/30/2014)... Proove Biosciences , the commercial and research leader in ... test built upon research from their published P.A.I.N. Study. ... physicians with an objective way to understand theirs patient’s ... individuals. With this new test, physicians will be able ... that will affect their pain tolerance. , The P.A.I.N. ...
(Date:9/30/2014)... , September 30, 2014 ... intuitive browsing of chemistry in documents ... software solutions and consulting services for life science ... information and generate Markush structures from documents. ... organizations intellectual property, however generating and understanding Markush ...
Breaking Biology Technology:Taking thin films to the extreme 2Biosimilars and Follow-On Biologics: World Industry and Market Prospects 2014-2024 2Biosimilars and Follow-On Biologics: World Industry and Market Prospects 2014-2024 3Biosimilars and Follow-On Biologics: World Industry and Market Prospects 2014-2024 4Biosimilars and Follow-On Biologics: World Industry and Market Prospects 2014-2024 5Proove Biosciences is Now Offering the Proove Pain Perception Genetic Test to Help Physicians Assess Patient Pain Tolerance Levels 2Proove Biosciences is Now Offering the Proove Pain Perception Genetic Test to Help Physicians Assess Patient Pain Tolerance Levels 3ChemAxon Introduces ChemCurator for Chemical Information Extraction and Markush Structure Creation 2
... RedPrairie Corp. , the Waukesha-based manufacturer of supply chain ... a recent user conference. , ,At RedShift: 2006, the ... unveiled its E2e suite of solutions, which is described ... chain challenges faced by customers. , ,RedPrairie executive John ...
... - By several measures, these should be heady days ... manufacturing jobs were lost, the economy is back, manufacturing revenue ... there is a sense of unease linked to withering competitive ... of what their American counterparts earn, where manufacturers have a ...
... that the ownership of a patent right initially goes to ... in the workplace? The company? The inventing employee? It depends ... Is there an employment agreement signed by the employee that ... workplace to the company? , ,No? Then you must ask: ...
Cached Biology Technology:Manufacturers advised to redesign customer relations 2Manufacturers advised to redesign customer relations 3Who owns what invention in the workplace? 2
... (MOPS Buffered) has been developed specifically for ... solution. HRP Stabilizer prevents the loss ... of the antibody or protein antigen portion ... at 0.2 microns., ,Contents: Aqueous, protein-containing ...
384 Well PCR Plate Carrier for Thermo-Sealer...
... strength adhesive system which facilitates the easy removal ... either side of the frame are of differing ... has an easy release adhesive whereas the reverse, ... bond. This means that when the coverslip is ...
These 18x18 square No.1 Corning cover glasses are made from No. 0211 zinc titania glass and are 0.16 to 0.19mm thick....
Biology Products: