[meteorite-list] OT: bacteria & ferromanganese nodules

From: moni waiblinger-seabridge <moni2555_at_meteoritecentral.com>
Date: Thu Apr 22 10:32:50 2004
Message-ID: <BAY14-F21pofoDbK774000339e9_at_hotmail.com>

Hi List,

be sure when you click on the URL to scroll down. At first it only comes up
that it needs the latest version of the simplified Chinese language support
package installed and I almost thought it didn't work. Well, at least on my
computer.
Otherwise you will find the article and images quite interesting.
Thanks!

Sternengruss, Moni


>From: Robert Verish <bolidechaser_at_yahoo.com>
>To: Meteorite-list Meteoritecentral <meteorite-list_at_meteoritecentral.com>
>Subject: [meteorite-list] OT: bacteria & ferromanganese nodules
>Date: Mon, 15 Mar 2004 23:37:20 -0800 (PST)
>
>http://www.scienceinchina.com/yk/yd/0002/yd0187.pdf
>
>On Page 188 in: SCIENCE IN CHINA (Series D) Vol. 43
>
>Moreover, a combined theory called biology-chemistry
>mechanism has been put forward.
>
>Therefore, to find microbe bodies acting as
>constructors of the ferromanganese nodules is the key
>work to prove the microbe origin theory. For the
>reasons above, a high-precision fluoroscope study was
>systematically conducted on the ferromanganese nodules
>collected from the East Pacific Ocean in 1997, as well
>as EPMA research. The result of the study is that a
>lot of microbe bodies were discovered in these
>ferromanganese nodules and microbic fluorescent
>microstructures can be seen in them. The work shows
>that the living activities of microbes are closely
>related to the origin of the ferromanganese nodules.
>
>1 Samples and study methods --
>1.1 Samples -
>The studied ferromanganese nodules were collected from
>the East Pacific deep sea floor by a scientific
>investigation ship of the State Oceanic Administration
>in late 1997. Two types of samples were selected from
>two sites. No. 161 is an irregular cauliflorate
>ferromanganese nodule with a rough surface and a
>growing root, collected from the muddy sediments at
>the depth of 4,862 m,
>11 45.3 N, 139 31.86 W.
>The other, No.23562, is a potato-shaped one with a
>relatively smooth surface, collected at the
>depth of 5,107 m,
>10 07.50 N, 154 07.50 W.
>
>1.2 Sample treating -
>Since the nodules have high porosity and a high water
>content, before slicing, the samples must be
>consolidated by a special reagent to fill in the pore
>space. According to the analytic requirements of the
>fluorescence microscope and EPMA, the glue 502 was
>selected as the reagent because it is less fluorescing
>and high temperature-resistant. After being
>onsolidated the samples are sliced along both the
>perpendicular and parallel directions of growing.
>
>++++++++++++
>Bob V.
>
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Received on Tue 16 Mar 2004 03:24:14 AM PST