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This is what NASA has to say about North Atlantic ice bergs.
NASA - Iceberg

Quote:

Most of the icebergs in the North Atlantic drift across Baffin Bay and Davis Strait to the coast of Labrador. Some of them are carried by the wind and the Labrador Current through the Newfoundland Banks into the Atlantic Ocean. In this region of the ocean, the icebergs melt rapidly because of the sunshine and warm ocean water. Parts of the icebergs may break off to form bergy bits, which are the size of an average house, or smaller pieces called growlers. Growlers are named for the noise they make as they float in the waves. Icebergs disappear about 400 miles (640 kilometers) south of Newfoundland.

Some interesting facts from wikipedia

Quote:

The tallest known iceberg in the North Atlantic was 168 metres (550 ft) above sea level, reported by the USCG icebreaker East Wind in 1958, making it the height of a 55-storey building.

the largest icebergs recorded have been calved, or broken off, from the Ross Ice Shelf of Antarctica. Iceberg B-15, photographed by satellite in 2000, measured 295 km long and 37 km wide (183-23 mi), with a surface area of 11,000 km² (4,250 mi²). The mass was estimated around three billion tonnes. The largest iceberg on record was an Antarctic tabular iceberg of over 12,000 sq mi (208 miles long and 60 miles wide) sighted 150 miles west of Scott Island, in the South Pacific Ocean, by the USS Glacier on November 12, 1956. This iceberg was larger than Belgium.

Iceberg B15, which calved from the Ross Ice Shelf in 2000 and initially had an area of 11,000 km². It broke apart in November 2002. The largest remaining piece of it, Iceberg B-15A, with an area of 3,000 km², was still the largest iceberg on Earth until it ran aground and split into several pieces October 27, 2005. It has been determined that the cause of the breakup was an ocean swell generated by an Alaskan storm 6 days earlier and 13,500 km (8,370 miles) away. On 21 November 2006 several large pieces were seen just 60 km off the coast of Timaru, New Zealand. The largest measured about 1.8 km (~1 mi), rising 37 m (120 ft) from the surface of the ocean.

Iceberg B-17B is an iceberg twice the size of Manhattan[1], floating in the southern ocean approximately 1,700 kilometres (1,100 mi) off the coast of Western Australia. Iceberg B-17B measures approximately 140 square kilometres (54 sq mi) and calved off the Ross Ice Shelf in 1999.[2]

Interesting stuff. And obviously, the really big ones can last 10 years or more, but I think expecting the one from the titanic to still be around 98 years later is expecting a bit much.
The Australian Bureau of Meteorology issued a warning in mid-December 2009 to users of shipping lanes in the area.

I always wanted to take a boat to the Arctic or Antarctic and draw a few hundred thousand cubic feet of the air and sell it to folks in NYC or LA. I guess I could do the same in the Amazon jungle or high atop a Tibetan mountain?

I can picture these rich folks in their multi-million dollar apartments having a set-up that gently sprays them as they sleep with 'the purest air on Earth!'

Well it looks like 4 New York guys: Flaco, Gordo, Shorty, and Evans tried to sell water from the iceberg a few years back: Its a long article so here is the link to it:

"Whatever became of the Iceberg that sunk the RMS Titanic?" | NowPublic News Coverage

DARISC:

What are you smoking and where can I get some?

It melted, evaporated, snowed, and turned back into glacial ice long ago.

Quote:

Originally Posted by cgarr (Post 5602127)

"Whatever became of the Iceberg that sunk the RMS Titanic?" | NowPublic News Coverage

All lies. I own the iceberg. It's in my backyard right now- I carve off pieces every day to wash the only real RS 1316.

Quote:

Originally Posted by Dottore (Post 5602149)

DARISC:

What are you smoking and where can I get some?

Apparently, the same things as you, my good sir. See your quote below:

Quote:

Originally Posted by Dottore (Post 5602149)

You take an ice-cubed sized chunk of this stuff and put it into your scotch and it will stay there all night. And sometimes it's still there in the morning. So I would not be at all surprised if the glacial ice that sunk the Titanic is still floating around today.

Now, I'm no expert on glacial ice but a cursory examination of the subject leads me to believe that glacial ice and ordinary ice are largely the same. The only difference tends to be in the size of the ice crystals and this difference isn't enough to support the notion that such ice would last until the next day, when chilling a glass of scotch.

Unless of course you live in Canada and pass out, while imbibing outdoors, and the weather is such that you (and the ice) become a popsicle.

Cheers,
JR

Quote:

Originally Posted by 1968Cayman (Post 5602185)

All lies. I own the iceberg. It's in my backyard right now- I carve off pieces every day to wash the only real RS 1316.

Is James Dean's 550 frozen in it??

Quote:

Originally Posted by LubeMaster77 (Post 5602104)

As opposed to using a filter? Anyone concerned enough to fall for something that silly will already have one heck of an air purification system, that gets rid of all kinds of pollen or dust etc.that you'd find in the amazon.

Quote:

Originally Posted by javadog (Post 5602305)

...The only difference tends to be in the size of the ice crystals...

Yes. The glacial ice has the old, ancient oxygen (H2o) which is smaller than current oxygen (H2O).

Quote:

Originally Posted by javadog (Post 5602305)

Not true. You shall have to come over for some Scotch.

A glacial ice-cube is highly compressed and dense and very heavy. There is none of the oxygen in it that makes an ordinary ice cube opaque. And it will last all night in your glass.
Trust me on this. I take my drinking very seriously.

I did some googling, and couldn't find anything to back up the slower melting claims.

Just about everything you ever wanted to know about ice Ice - Wikipedia, the free encyclopedia

Quote:

Originally Posted by Dottore (Post 5602397)

Trust me on this. I take my drinking very seriously.

This explains a lot. :cool:

Quote:

Originally Posted by Dottore (Post 5602397)

Man, I don't know. I think that you might be consuming more than your share of that scotch. Everything I can lay my hands on tells me that glacial ice has a density of between 830 and 910 kg/cu. meter. Regular old drinkin' ice is 920 kg/cu. meter.

There's also some air in glacial ice, as it is formed from compressed snow, thus the reduced density.

Of course, I drink more gin than scotch, so maybe it has to do with the peculiar characteristics of your scotch. I know that my gin melts ice in a big ass hurry. A glass hardly lasts more than 10 minutes.

Or, maybe your freezer is colder than mine...

Happy drinkin'

JR

Quote:

Originally Posted by javadog (Post 5602483)

Man, I don't know. I think that you might be consuming more than your share of that scotch.

That, plus the goat pi$$ in that glacial ice have taken a heavy toll, apparently.

I had a few Bergs that were floating this morning with a few Bergie Bits and Growlers thrown into the mix..now they are on their way to the ocean.

Quote:

Originally Posted by Dottore (Post 5602397)

A glacial ice-cube is highly compressed and dense and very heavy. There is none of the oxygen in it that makes an ordinary ice cube opaque. And it will last all night in your glass.

Hmmm... seeing as ice is water, and for all practical purposes one cannot compress water, no ice can be denser than good old H20 (hence: ice floats!)
I suspect the difference in density between glacial ice and the stuff you buy in the blue bags is very little. The temp of the ice as well as the temp of the liquid it is immersed in would play much greater roles than the density/purity of the ice. If you put -30C ice cube into booze stored in a freezer (say -16C) it will certainly melt slowly. All night? I haven't seen that before. I've rarely seen the booze last the whole night, let alone the ice :D

But anyway, I'm very sure that all the icebergs from even 20 years ago are gone. If sea ice took 100 years to melt the oceans would be a huge ice jam!

Quote:

Originally Posted by dentist90 (Post 5603757)

Now Mr. Dentist, I would like to take you seriously. But you drive an Eagle Talon?

I'm having another Scotch. Cheers.

Quote:

Originally Posted by Dottore (Post 5603775)

Now Mr. Dentist, I would like to take you seriously. But you drive an Eagle Talon?

I'm having another Scotch. Cheers.

Yea... the Talon helps me get in touch with my inner ricer

The Porsche is therapy for this affliction :p

Cheers back at ya Doc!