Rob,
My guess is quartz-albite-epidote hornfels. It's hard
to tell from the photos, but the greens could include
some amphibole and chlorite as well as epidote. This
is a fairly common contact metamorphic rock, often
derived from a graywacke protolith. A second guess
would be an
List(s), Bob M., and Norbert C.
Thanks in particular, Bob, for your comments.
It's good to hear an insightful reaction to Chapman's
paper. As you might imagine, it's pretty damned
impressive to anyone lacking the very high level of
knowledge required to give it a critical evaluation.
It
Sterling,
Fabulous exposition! That one cost me some more
printer ink. I do have a few questions and comments.
No trace of terrestrial material? I'm not sure I
understand. If you mean no embedded clasts from the
target surface, I agree. That is very odd,
considering the obvious plastic
even if it's me!
Cheers,
Norm
--- AL Mitterling [EMAIL PROTECTED] wrote:
Hi Norman and all,
The Georgia Tektites are not inky black but are
greenish also. The
Bediasites are dark but not totally black. I might
have misunderstood
your statement.
Norman Lehrman wrote:
I have always
One more thank you!, Eric.
When we reflect that just a few short years ago,
before Nininger began his audacious quest, such a
story was unthinkable. Now we can sort through boxes
of meteorites at absurddly low prices, but shouldn't
forget that every single bit has a story behind it,
the
Phil list,
There's a fine (and strictly, quite meaningless) line
between classic stretch tektites and starburst ray
impact features. What I generaly look for is a bend
in the overall stone that corresponds with the angle
of the stretched skin split. Check out the sketch
shown with the big
Somebody better check on Steve. Invasion of the body
snatchers??? I know for a fact, confirmed by his own
solemn word before all the list, that he would never
EVER sell a Haag piece. Who is this pretender???
Norm
--- fcressy [EMAIL PROTECTED] wrote:
Number two.
Paul,
I spent a day out there last week. For starters, you
can skip the word dry. Mud Lake is a full lake this
year. If anyone was planning a trip there, give it a
miss--- A lot of the central Nevada lakes are still
pretty muddy although most have parts that are
accessible.
I'm not
Mike,
Get a grip. As hyper as you are, you will be
stark-raving mad within three hours. Leave this
mind-numbing exercise to the already dain-bramaged!
But if you go (and this applies to all listees),
don't
listen to the radio on your way. All the stupid
jingles on all the stupid
, sounds
lucrative to me.
Mike Farmer
- Original Message -
From: Norman Lehrman [EMAIL PROTECTED]
To: meteorite-list@meteoritecentral.com
Sent: Sunday, February 20, 2005 9:04 PM
Subject: Re: [meteorite-list] I'm going to start
scouring California Dry
lakes.
Mike,
Get
Darren,
You just may be sick enough to do it! Looking forward
to meeting you.
Norm
(http://tektitesource.com)
--- Darren Garrison [EMAIL PROTECTED] wrote:
On Sun, 20 Feb 2005 19:46:24 -0700, Michael Farmer
[EMAIL PROTECTED] wrote:
You guys are finding so much there, I think I'll
start
personally found
myself) and I can't wait to
get out there and find LA 003.
Mike Farmer
- Original Message -
From: Norman Lehrman [EMAIL PROTECTED]
To: Michael Farmer [EMAIL PROTECTED];
meteorite-list@meteoritecentral.com
Sent: Sunday, February 20, 2005 9:45 PM
Subject: Re
Gerald, Tracy list,
Sorry for the slow reply. I'm out in the field, and
probably have no business responding anyway, but your
question is an interesting one. I have worked with
lots of accretionary lapilli in volcanic settings all
over the world. Like Tracy said, I also know of no
chondrules
List,
I picked up the sweetest little Sikhote bullet at
Tucson that I have ever seen. Have a look at the
following link:
http://tektitesource.com/Sikhote-Alin%20Meteorites.htm
Sorry, it's not for sale. I'm still in love.
Cheers,
Norm Lehrman
(http://TektiteSource.com)
List,
While en route to Tucson, I met a nugget shooter in
Quartzsite that had just found a nice chondrite. I
was able to buy it, and a piece is on its way to UCLA
for classification. You can find pics at
http://tektitesource.com/New%20AZ%20meteorite.htm
I plan to sell it after
All,
In a world of wannabes, the real ones are conspicuous!
In the gold business we have a saying that gold is
like a rattlesnake. If there's any doubt, it isn't.
Increasingly, I'm learning that that applies to
meteorites equally well.
This one's a winner!
Leaving for Tucson in the
Goran,
I asked this same question a while back and the
general answer I received was about one fall per
three square miles per thousand years. (This still
begs the question of the average number of fragments
per fall---).
I would also appreciate any corrections list members
may have to offer.
Darren list,
There may be an indirect means to get a look at a
piece of the black stone. Years ago I visited the
Suleymaniye Mosque in Istanbul. In the forecourt of
the mosque are some tombs. Over the door to the
Sultan Suleyman tomb (I think that was the one--),
readily accessible, is what
Guys,
You haven't been following the discussions. The
schiller effect (rainbow olivine) has nothing to do
with weathering (per your auction descriptions). Nice
rox!
Cheers,
Norm
(http://TektiteSource.com field geologist)
--- Greg Hupe [EMAIL PROTECTED] wrote:
Dear list members,
During
Marcin list,
I have cut many Muong Nongs with standard lapidary
diamond blades. Surprisingly, the cut surface is
often less revealing than the weathered exterior.
Weathering enhances the delicate flow banding beyond
what you can see on a fresh cut and polished face.
Cheers,
Norm Lehrman
Karin, Tom, Steve list--
Norton doesn't answer the Troilite question anywhere
that I can see. He simply provides descriptive
comments. I don't have the answer, but I've wondered
about the same question: why does troilite commonly
assume the form of rounded blobs?
A speculation based on my
Jeff,
Such a play of colors is seen in quite a number of
minerals, and is known as the schiller effect.
Although different in technical detail, it is an
optical phenomenon very similar to the fire in
precious opal or the labradorescence of the feldspar
labradorite (often seen in the dark
Mike,
Ya, that's a faceted tektite. The international carat
has been standardized at 0.2 gms (200 milligrams).
Cheers,
Norm Lehrman
(http://TektiteSource.com)
--- Mike Groetz [EMAIL PROTECTED] wrote:
Good Morning-
In reference to this listing:
Greg,
Thanks for the great story! ---and for opening the
thread. Coincidentally, I also just returned (this
morning) from a bit of treasure hunting in Hawaii and
found a mystery object that I wanted to ask the
diverse experts on the list about--
My stuff was all modern, but did include a gold
Mark list,
Anne is quite certainly correct. The Campo del Cielo
strewn field extends well into the Santiago del Estero
province.
Cheers,
Norm Lehrman
http://tektitesource.com
--- [EMAIL PROTECTED] wrote:
In a message dated 9/25/2004 10:49:03 AM Mountain
Standard Time,
[EMAIL PROTECTED]
Adam, Mike, everyone,
This is a significant subject, partly in that there is
a bunch of misinformation regarding new Campos on
Ebay.
I spent last winter in Chile and Argentina, and
although I did not visit Campo del Cielo, I did spend
time with the family on who's land the principal part
of the
are stolen from
Chaco. Are some? Likely, but
to charge that without proof is not right.
Mike Farmer
- Original Message -
From: Norman Lehrman [EMAIL PROTECTED]
To: Adam Hupe [EMAIL PROTECTED];
Michael Farmer
[EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Tuesday, August 24, 2004
List,
If I may change the prevailing subject for a moment,
I have been offered a fine museum collection of the
full, diverse cross-section of impactite materials
from Zhamanshin crater. I've never seen anything to
compare: a shatter-cone, assorted impact slag,
Irghizites, Muong Nong-like
All,
As a full-time professional Nevada rock-licker, I get
property submittals almost daily. There are some
pretty fail-safe red flags that can be used to sort
out the pure 100%...debris (to use some of the ebay
seller's own words) from the potential winners.
If it requires some sort of special
Marc all,
I have been corresponding with the eBay seller
offering this material. He's an honest guy who was
sold the material by a rockhound in good faith.
Typical story. Local geologist looked at them and said
they were tektites, etc, etc.
There is currently no reason to think thay are real.
Everyone,
You've all been wondering about the silence from me.
Nope, it's not newly learned restraint. I've been out
in the field with no Internet access.
My apologies if you get several copies of this. I've
tried sending it multiple times and it doesn't seem to
have gone throught to the
Michael,
We do learn some good stuff on this list!
Given all the sorry changes we've experienced lately,
I want to thank you in full view of the wide,
appreciative audience of the meteorite list, for your
unflagging good humor, your sense of balance, and all
you do to keep this beauty on
List,
The first batch of Argentine Escoria/Chapadmalal
Impactite mostly sold out in 48 hours. I was able to
obtain another 500 grams (only 36 specimens) and want
to give the list the first shot at it. It is all
pictured and posted on our website, although verbal
descriptions are still being
Mark,
I'm willing to bet I speak for a bunch of people out
there. Humo(u)r is humo(u)r, and always plays with
the edges of propriety/expectation. It tends to deal
with issues that have strong reactions and gives them
a twist. That's how it works. We laugh.
I think you have faced absurd
Rob list,
The last post clarifies the question a bit. A few
years ago I received a large shipment of Lei gong mo.
Included with these were a couple of dozen specimens
with strong carnival-glass-like patinas, a full
rainbow of submetallic colors. I have seen weaker
examples of this sort of
Everyone,
Against all expectations, we've obtained an
exceptional new shipment of Wabar Glass! From earlier
reports of encroaching sand seas, it sounded like
there would not be any more to be had, but a recent
expedition found an inter-dune corridor in the ejecta
field. We bought all that was
Everyone,
I'm back from two months in South America and was able
to get the first and as yet, only Chapadmalal
Impactite yet commercially available!
The 3.3 MA event associated with this material
correlates in time with the extinction of over 30
genera of mammals and is a suspect in climatic
Nick list,
Surely someone out there understands that Nick was not talking about governmental policy! "Conservation" here is something akin to "physical preservation": what can you do to keep your meteorites from deteriorating, from turning into a pile of rust?
This is a great topic for the
List,
Mike is right. This story hasn't even a grain of truth. The Wabar craters never were anything like this description, and now, they are almost totally covered by sand. I just aquired a fine lot of Wabar impactites from someone who has visited the site within the last two months. There is
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