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Hello Chris =3D
I spent quite a few years in university, but science was not part =
of any of my studies. I have however read with pleasure "The Last =
Billion Years: A Geological History of the Maritime Provinces of =
Canada." The part of the subject that has interested me most are the =
eskers scattered around the province, and the multitude of fossils that =
I have seen.
The most spectacular esker I have seen was at what we called "Big =
Lake", the source of the East Branch about ten miles from the village of =
Bear River. It looked for all the world like a railway track. It came =
out into the lake, then there was a gap, and it picked up again and went =
to another shore. It was formed entirely of rocks 8-12 inches in =
diameter, with a layer of ground on the top. It is now covered with =
water by a large dam. The other esker was=20
at Six Lake stream - this time all ground, running along like a road or =
train track. I suspect most of that is now covered by water from a hydro =
dam.
As to fossils - in addition to those often mentioned in the =
province, any time people start blasting rock around Bear River - even =
on the top of the highest hills, you are liable to find fossils there.
And incidentally, I think the most common insects in Nova =
Scotia at the moment are black flies. There must be a million of them in =
my back yard - multiply all back yards by a million and you will have a =
very formidable number.
Roland.
----- Original Message -----=20
From: Christopher Majka=20
To: naturens@chebucto.ns.ca=20
Sent: Saturday, May 31, 2008 12:18 PM
Subject: Re: [NatureNS] Global warming
Hi all,
Actually the process of de-glaciation in Nova Scotia began =
approximately 21,000 years ago (BP: before present). By around 14,500 =
years BP almost all of Nova Scotia was free of ice. At first Nova =
Scotia was covered by a tundra-like vegetation until around 13,760 years =
BP when forests began to develop. At around 12,730 years BP there was a =
extended period of climatic deterioration called the Aller=F8d/Younger =
Dryas transition which lasted ~ 1,300 years. Around 11,430 years BP this =
period of cooling ended and the climate adopted, more or less, its =
present character (at least until the current period of warming began).
This chronology manifested itself in many ways, not least of which was =
the effect on the coastline of Atlantic Canada. For a fascinating look =
at how the coastline of the region changed between 13,000 and 6,000 BP, =
take a look at the Natural Resources Canada page, Progression of =
sea-level change in Atlantic Canada:
http://gsc.nrcan.gc.ca/coast/sealevel/evol/prog_e.php
13,000 years ago Sable Island and Banquereau banks were emergent land =
the size of southern Nova Scotia. The Magdalen Islands occupied an area =
about half the size of Cape Breton, and the Grand Banks were an island =
at least the size of Nova Scotia! Nova Scotia was an island and large =
portions of southern New Brunswick were under water.
Cheers,
Chris
On 31-May-08, at 11:31 AM, Roland McCormick wrote:
10.000 years ago Nova Scotia was covered by a glacier. Wouldn't it =
be great to go back and live in the good old days before global warming?
Roland.
----- Original Message -----
From: Andy Moir/Chris Callaghan
To: naturens@chebucto.ns.ca
Sent: Friday, May 30, 2008 10:46 PM
Subject: Re: [NatureNS] Global warming
For those interested in the global warming controversy, you =
might be=20
interested to read about 31, 000 American scientists who =
disagree: =20
http://www.petitionproject.org/index.html
Lois Codling
Then you might want to visit this page to learn who is really =
behind the petition project.
=
http://www.ucsusa.org/global_warming/science/skeptic-organizations.html
Andy Moir
Christopher Majka
Nova Scotia Museum, 1747 Summer St., Halifax, Nova Scotia, Canada B3H =
3A6
c.majka@ns.sympatico.ca
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<DIV><FONT face=3DArial size=3D2>Hello Chris =3D</FONT></DIV>
<DIV><FONT face=3DArial size=3D2> I spent =
quite a few=20
years in university, but science was not part of any of my studies. I =
have=20
however read with pleasure "The Last Billion Years: A Geological History =
of the=20
Maritime Provinces of Canada." The part of the subject that =
has=20
interested me most are the eskers scattered around the province, and the =
multitude of fossils that I have seen.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2> =
The most=20
spectacular esker I have seen was at what we called "Big Lake", the =
source of=20
the East Branch about ten miles from the village of Bear River. It =
looked for=20
all the world like a railway track. It came out into the lake, then =
there was a=20
gap, and it picked up again and went to another shore. It was formed =
entirely of=20
rocks 8-12 inches in diameter, with a layer of ground on the top. It is =
now=20
covered with water by a large dam. The other esker was </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>at Six Lake stream - this time all =
ground, running=20
along like a road or train track. I suspect most of that is now =
covered by=20
water from a hydro dam.</FONT></DIV>
<DIV><FONT face=3DArial =
size=3D2> As to=20
fossils - in addition to those often mentioned in the province, any time =
people=20
start blasting rock around Bear River - even on the top of the highest =
hills,=20
you are liable to find fossils there.</FONT></DIV>
<DIV><FONT face=3DArial =
size=3D2> =20
And incidentally, I thin