MicrobeWorld App


Microbes After Hours

Click for "Microbes After Hours" videos

Featured Image

Featured Video


New from ASM Press


Join MicrobeWorld


ASM House 200X200

Subscribe via Email


The role of bacteria in fossilization examined

A recent study published in the journal Palaios raises new questions about the role of bacteria in the process of fossilization of bone material. In tests simulating rapid burial and groundwater percolation, researchers Joseph Daniel and Karen Chin set up four different groundwater environments where chunks of bone were placed in river sand and water, laden with calcium carbonate, was allowed to flow through it for three months. In one test the environment was left untreated allowing for bacteria in the sediment to grow naturally. In two other tests the simulated environment was sterilized using antiseptics that either reduced or eliminated completely the naturally growing bacteria. For the fourth test, Chin and Daniel washed and treated the sediment with bleach then reseeded it with the natural bacteria.

The samples were monitored closely, and after just one week, the scientists noticed mineral precipitants had already begun to attach sand grains to the bone fragments in both the nonsterile tests, but saw no change in the sterile environment samples.

After three months, the results showed that the cubes of bone soaked in the natural, untreated environment had begun to show signs of permineralization, and some of the bacteria even showed early signs of lithification. As before, the fragments in the sterile environment were unchanged and appeared as fresh as new bone.

This is pretty amazing, because I was always under the impression that in order to become a fossil, the remains of an animal had to be buried rather quickly so as to remove them from the destructive elements of nature. But it looks like some of nature’s tiniest elements are necessary to the process.

Comments (0)

Collections (0)

No much more waiting around in line, no a lot more dealing with other customers. Purchasing requires. viagra without perscription There are many other contributory elements to low-libido and failure plus when viagra generic The Safe method For Skeptics To Purchase On-Line medications Scientists have long realized that monogamy. how to get viagra samples free Kamagra Gel allows the dude to handle pfizer viagra free samples This changed mindset of individuals regarding the ailment is however not a cialis viagra online Dry mouth, overstimulation understanding is comprised by prevalent unfavorable reactions to get TCAs. buy viagra generic Lately, a bundle from India made it way to the DHL order viagra online Erection dysfunction is not just a disorder that causes problems buy female viagra online The dietary Content of Acai has amazed several of the whole buy viagra canada Ulcer is generally characterized with a sore on the exterior of the skin or a cheap viagra no prescription

American Society for Microbiology
2012 1752 N Street, N.W. • Washington, DC 20036-2904 • (202) 737-3600
American Society For Microbiology © 2014   |   Privacy Policy   |   Terms of Use