From "kutchscience" <
kutchscience@...>
Subject: A meteor strike in Valsad
To: ; scienceclubofindia ; kutchsciencefoundation ;
kutchastronomersclub ;
astronomyclubindia VITM space-india.org@delhi ; Vigyan Prasar ;
venustransit@yahoo ;
Sent: Monday, November 01, 2004 11:07 AM
Yes , very good enthusiasm for the meteors in Valsad, if there are
not available
handy test for meteors at the moment, do not be dishearten, few of
the tests are
handy and easy for primarily to sort out from ordinary stones. (eg
magnetic,
Specific gravity and chemical lab analysis of elements present and
its
concentrations) if any doubt one can send small part of it to
confirm - to the
Science lab in Natural history museum and science museum. That
really nice some
of us locally are on the way to find out the more details and as
there are
conflicting reports of size and also depth of crater.
How to identify Meteors?
http://www.meteors.com/meteorite_identification_1.htm
Most meteorites tend to be VERY HEAVY for their size. This is
because they
contain iron and other metals in varying amounts. They usually have
a SMOOTH
SURFACE and are SOLID, almost never porous like lava. ????? (this
statement is
conflicting - see an authentic sites below and its samples and
details)
Many says they are never porous like lava but smooth - but not
necessary as out
GADHWARI - Bhuj sample is not smooth it falls in last category below
http://piclib.nhm.ac.uk/piclib/www/image.php?
img=76507&frm=ser&search=meteorite
http://piclib.nhm.ac.uk/piclib/www/image.php?
img=76508&frm=ser&search=meteorite
Wish our member go there on the site and find out some more small
parts
scattered there. They are heavy (higher specific gravity ) as those
meteor fell
from the atmosphere - high temperature burns many elements but Iron
and nickel
may remain and that may give those parts a property to stick with
magnets. This
are on hand tests to sort those from ordinary stones and later can
be analysed
for elements and further test for confirmation of meteor property.
many melted
meteor parts may arrange iron elementals in the line with magnetic
fields and
get very low magnetic signature at that time too. and may deflect a
magnetic
compass needle a bit. but that also present in LAVA surrounding
South Gujarat
mountains and Western Ghat (Sahyadri) Lava stones and
more on meteors SEE and there are conflicting info about meteor
property - many
says they are smooth - but not necessary as out GADHWARI - Bhuj
sample is not
smooth it falls in last category below
http://piclib.nhm.ac.uk/piclib/www/search.php?search=meteorite
http://piclib.nhm.ac.uk/piclib/www/image.php?
img=76507&frm=ser&search=meteorite
http://piclib.nhm.ac.uk/piclib/www/image.php?
img=76508&frm=ser&search=meteorite
Dr.BHUDIA-Science Group Of INDIA.
http://uk.groups.yahoo.com/group/venustransit_2004/
President:"Kutch Science Foundation".
Founder :"Kutch Amateurs Astronomers Club - Bhuj - Kutch".
Life Member:"kutch Itihaas Parishad".
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