Re: [Utah-astronomy] Micro-meteorites in today's NYT
Dan, did you look at them under a microscope? Not all magnetic samples are meteoric, especially if one lives in an urban or manufacturing region. Sent from my Verizon, Samsung Galaxy smartphone -------- Original message --------From: Daniel Holmes <danielh@holmesonics.com> Date: 3/22/17 2:39 PM (GMT-07:00) To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT I put a pie tin on my back porch for a few weeks, and then ran a magnet over the detritus, I got a few micro meteorites that way. Was kinda fun. Dan -- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 16, 2017, at 9:59 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I want to thank everybody for their insightful suggestions.
When I get home again, I want to check my rain gutters for recent stuff, but I'm intrigued by the suggestion (that I think I got from that article) that planetary gravity may influence the rate of deposition of micro-meteorites over time, and can't help extrapolating from the little I know about analysis of polar ice. Could careful coring and strata-graphical analysis of the salt flats give evidence to the variation of the deposition of micro-meteorites, or conversely, the deposition of salt, in a much more "use friendly" environment? Just an amateur question, trying to connect some very wide dots.
Bob
________________________________ From: Utah-Astronomy <utah-astronomy-bounces+cincoymaya=msn.com@mailman.xmission.com> on behalf of Rodger C Fry <rcfry@comcast.net> Sent: Wednesday, March 15, 2017 14:56 To: 'Utah Astronomy' Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Chuck,
Your rain gutters collect terrestrial dust as well as some micro-meteors. However, the environment in your rain gutters are not commonly rich in dust made up of magnetite (Fe302). Run a magnet through your rain gutters and you will be surprised at how much magnetite you pick up and the majority is micro-meteors.
Thanks Rodger C. Fry
-----Original Message----- From: Utah-Astronomy [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Chuck Hards Sent: Wednesday, March 15, 2017 6:24 AM To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
I believe the same guy was recently featured in S&T. I have searched for micro-meteorites around my house in the past, sifting through rain-gutter debris, but like the aricle's author when he began his search, was always defeated by the staggering amount of "meteor-wrongs". Industruial particulates, common terrestrial dust, etc. I may take another stab at it one of these days.
There's always been a lot of talk about a Salt Flats meteorite search, it should be easy to find a strewnfield if you can get out there quickly after a fall, but never heard of anyone doing anything more than a casual search, so I'm curious too!
Bob, if you can make it to the next Liver & Onions luncheon, several of us will be bringing meteorite specimens for show & tell. I have a specimen of the Chelyabinsk bolide of 2013.
On Tue, Mar 14, 2017 at 9:56 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I’m intrigued by today’s article in the New York Times science section about amateur micro-meteorite collection. If they can find such beautiful objects in gutters and on roofs, I would imagine that the salt flats should have collected a lot of objects smaller than bowling balls. Has anyone of this list successfully searched and collected any there? Any tips to share?
Bob Grant
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Yeah, this was when Jen was at the U, and had access to a lab—most were perfect little spheres. Dan -- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 22, 2017, at 2:48 PM, chuck.hards <chuck.hards@gmail.com> wrote:
Dan, did you look at them under a microscope? Not all magnetic samples are meteoric, especially if one lives in an urban or manufacturing region.
Sent from my Verizon, Samsung Galaxy smartphone -------- Original message --------From: Daniel Holmes <danielh@holmesonics.com> Date: 3/22/17 2:39 PM (GMT-07:00) To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT I put a pie tin on my back porch for a few weeks, and then ran a magnet over the detritus, I got a few micro meteorites that way. Was kinda fun.
Dan
-- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 16, 2017, at 9:59 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I want to thank everybody for their insightful suggestions.
When I get home again, I want to check my rain gutters for recent stuff, but I'm intrigued by the suggestion (that I think I got from that article) that planetary gravity may influence the rate of deposition of micro-meteorites over time, and can't help extrapolating from the little I know about analysis of polar ice. Could careful coring and strata-graphical analysis of the salt flats give evidence to the variation of the deposition of micro-meteorites, or conversely, the deposition of salt, in a much more "use friendly" environment? Just an amateur question, trying to connect some very wide dots.
Bob
________________________________ From: Utah-Astronomy <utah-astronomy-bounces+cincoymaya=msn.com@mailman.xmission.com> on behalf of Rodger C Fry <rcfry@comcast.net> Sent: Wednesday, March 15, 2017 14:56 To: 'Utah Astronomy' Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Chuck,
Your rain gutters collect terrestrial dust as well as some micro-meteors. However, the environment in your rain gutters are not commonly rich in dust made up of magnetite (Fe302). Run a magnet through your rain gutters and you will be surprised at how much magnetite you pick up and the majority is micro-meteors.
Thanks Rodger C. Fry
-----Original Message----- From: Utah-Astronomy [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Chuck Hards Sent: Wednesday, March 15, 2017 6:24 AM To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
I believe the same guy was recently featured in S&T. I have searched for micro-meteorites around my house in the past, sifting through rain-gutter debris, but like the aricle's author when he began his search, was always defeated by the staggering amount of "meteor-wrongs". Industruial particulates, common terrestrial dust, etc. I may take another stab at it one of these days.
There's always been a lot of talk about a Salt Flats meteorite search, it should be easy to find a strewnfield if you can get out there quickly after a fall, but never heard of anyone doing anything more than a casual search, so I'm curious too!
Bob, if you can make it to the next Liver & Onions luncheon, several of us will be bringing meteorite specimens for show & tell. I have a specimen of the Chelyabinsk bolide of 2013.
On Tue, Mar 14, 2017 at 9:56 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I’m intrigued by today’s article in the New York Times science section about amateur micro-meteorite collection. If they can find such beautiful objects in gutters and on roofs, I would imagine that the salt flats should have collected a lot of objects smaller than bowling balls. Has anyone of this list successfully searched and collected any there? Any tips to share?
Bob Grant
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I was wondering about this too -- I'm sure blowing dust picks up a fair amount of iron particulate that may be non-meteoritic. So "perfect little spheres" is (mostly) a guarantee they are micro-meteorites?/R From: Daniel Holmes <danielh@holmesonics.com> To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, March 22, 2017 2:51 PM Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT Yeah, this was when Jen was at the U, and had access to a lab—most were perfect little spheres. Dan -- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 22, 2017, at 2:48 PM, chuck.hards <chuck.hards@gmail.com> wrote:
Dan, did you look at them under a microscope? Not all magnetic samples are meteoric, especially if one lives in an urban or manufacturing region.
Sent from my Verizon, Samsung Galaxy smartphone -------- Original message --------From: Daniel Holmes <danielh@holmesonics.com> Date: 3/22/17 2:39 PM (GMT-07:00) To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT I put a pie tin on my back porch for a few weeks, and then ran a magnet over the detritus, I got a few micro meteorites that way. Was kinda fun.
Dan
-- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 16, 2017, at 9:59 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I want to thank everybody for their insightful suggestions.
When I get home again, I want to check my rain gutters for recent stuff, but I'm intrigued by the suggestion (that I think I got from that article) that planetary gravity may influence the rate of deposition of micro-meteorites over time, and can't help extrapolating from the little I know about analysis of polar ice. Could careful coring and strata-graphical analysis of the salt flats give evidence to the variation of the deposition of micro-meteorites, or conversely, the deposition of salt, in a much more "use friendly" environment? Just an amateur question, trying to connect some very wide dots.
Bob
________________________________ From: Utah-Astronomy <utah-astronomy-bounces+cincoymaya=msn.com@mailman.xmission.com> on behalf of Rodger C Fry <rcfry@comcast.net> Sent: Wednesday, March 15, 2017 14:56 To: 'Utah Astronomy' Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Chuck,
Your rain gutters collect terrestrial dust as well as some micro-meteors. However, the environment in your rain gutters are not commonly rich in dust made up of magnetite (Fe302). Run a magnet through your rain gutters and you will be surprised at how much magnetite you pick up and the majority is micro-meteors.
Thanks Rodger C. Fry
-----Original Message----- From: Utah-Astronomy [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Chuck Hards Sent: Wednesday, March 15, 2017 6:24 AM To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
I believe the same guy was recently featured in S&T. I have searched for micro-meteorites around my house in the past, sifting through rain-gutter debris, but like the aricle's author when he began his search, was always defeated by the staggering amount of "meteor-wrongs". Industruial particulates, common terrestrial dust, etc. I may take another stab at it one of these days.
There's always been a lot of talk about a Salt Flats meteorite search, it should be easy to find a strewnfield if you can get out there quickly after a fall, but never heard of anyone doing anything more than a casual search, so I'm curious too!
Bob, if you can make it to the next Liver & Onions luncheon, several of us will be bringing meteorite specimens for show & tell. I have a specimen of the Chelyabinsk bolide of 2013.
On Tue, Mar 14, 2017 at 9:56 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I’m intrigued by today’s article in the New York Times science section about amateur micro-meteorite collection. If they can find such beautiful objects in gutters and on roofs, I would imagine that the salt flats should have collected a lot of objects smaller than bowling balls. Has anyone of this list successfully searched and collected any there? Any tips to share?
Bob Grant
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My understanding is that "perfect little spheres" is a good indicator, but not a foolproof guarantee of meteoric origin. YMMV. On 3/22/17, Richard Tenney via Utah-Astronomy <utah-astronomy@mailman.xmission.com> wrote:
I was wondering about this too -- I'm sure blowing dust picks up a fair amount of iron particulate that may be non-meteoritic. So "perfect little spheres" is (mostly) a guarantee they are micro-meteorites?/R
From: Daniel Holmes <danielh@holmesonics.com> To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, March 22, 2017 2:51 PM Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Yeah, this was when Jen was at the U, and had access to a lab—most were perfect little spheres.
Dan
Found a nice article on the subject. Makes me want to put a collector on my roof. :) Can’t post pictures here so put it on SLAS Talk. Have a look. patrick
On Mar 22, 2017, at 17:09, Chuck Hards <chuck.hards@gmail.com> wrote:
My understanding is that "perfect little spheres" is a good indicator, but not a foolproof guarantee of meteoric origin.
YMMV.
On 3/22/17, Richard Tenney via Utah-Astronomy <utah-astronomy@mailman.xmission.com> wrote:
I was wondering about this too -- I'm sure blowing dust picks up a fair amount of iron particulate that may be non-meteoritic. So "perfect little spheres" is (mostly) a guarantee they are micro-meteorites?/R
From: Daniel Holmes <danielh@holmesonics.com> To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, March 22, 2017 2:51 PM Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Yeah, this was when Jen was at the U, and had access to a lab—most were perfect little spheres.
Dan
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Unfortunately, there was only a few of them--and I put them in a sandwich baggie. Well, during a move, one mans unlabeled baggie with meteorites in it can be indistinguishable from trash by the unaware. I've been meaning to do the exact experiment again. Dan -- Sent from my iPhone. Please pardon any mispelings or errors.
On Mar 22, 2017, at 4:10 PM, Richard Tenney via Utah-Astronomy <utah-astronomy@mailman.xmission.com> wrote:
I was wondering about this too -- I'm sure blowing dust picks up a fair amount of iron particulate that may be non-meteoritic. So "perfect little spheres" is (mostly) a guarantee they are micro-meteorites?/R
From: Daniel Holmes <danielh@holmesonics.com> To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, March 22, 2017 2:51 PM Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Yeah, this was when Jen was at the U, and had access to a lab—most were perfect little spheres.
Dan -- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 22, 2017, at 2:48 PM, chuck.hards <chuck.hards@gmail.com> wrote:
Dan, did you look at them under a microscope? Not all magnetic samples are meteoric, especially if one lives in an urban or manufacturing region.
Sent from my Verizon, Samsung Galaxy smartphone -------- Original message --------From: Daniel Holmes <danielh@holmesonics.com> Date: 3/22/17 2:39 PM (GMT-07:00) To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT I put a pie tin on my back porch for a few weeks, and then ran a magnet over the detritus, I got a few micro meteorites that way. Was kinda fun.
Dan
-- Daniel Holmes, danielh@holmesonics.com "Laugh while you can, monkey boy!" -- Lord John Whorfin
On Mar 16, 2017, at 9:59 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I want to thank everybody for their insightful suggestions.
When I get home again, I want to check my rain gutters for recent stuff, but I'm intrigued by the suggestion (that I think I got from that article) that planetary gravity may influence the rate of deposition of micro-meteorites over time, and can't help extrapolating from the little I know about analysis of polar ice. Could careful coring and strata-graphical analysis of the salt flats give evidence to the variation of the deposition of micro-meteorites, or conversely, the deposition of salt, in a much more "use friendly" environment? Just an amateur question, trying to connect some very wide dots.
Bob
________________________________ From: Utah-Astronomy <utah-astronomy-bounces+cincoymaya=msn.com@mailman.xmission.com> on behalf of Rodger C Fry <rcfry@comcast.net> Sent: Wednesday, March 15, 2017 14:56 To: 'Utah Astronomy' Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
Chuck,
Your rain gutters collect terrestrial dust as well as some micro-meteors. However, the environment in your rain gutters are not commonly rich in dust made up of magnetite (Fe302). Run a magnet through your rain gutters and you will be surprised at how much magnetite you pick up and the majority is micro-meteors.
Thanks Rodger C. Fry
-----Original Message----- From: Utah-Astronomy [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Chuck Hards Sent: Wednesday, March 15, 2017 6:24 AM To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Subject: Re: [Utah-astronomy] Micro-meteorites in today's NYT
I believe the same guy was recently featured in S&T. I have searched for micro-meteorites around my house in the past, sifting through rain-gutter debris, but like the aricle's author when he began his search, was always defeated by the staggering amount of "meteor-wrongs". Industruial particulates, common terrestrial dust, etc. I may take another stab at it one of these days.
There's always been a lot of talk about a Salt Flats meteorite search, it should be easy to find a strewnfield if you can get out there quickly after a fall, but never heard of anyone doing anything more than a casual search, so I'm curious too!
Bob, if you can make it to the next Liver & Onions luncheon, several of us will be bringing meteorite specimens for show & tell. I have a specimen of the Chelyabinsk bolide of 2013.
On Tue, Mar 14, 2017 at 9:56 PM, BOB MARILYN <CINCOYMAYA@msn.com> wrote:
I’m intrigued by today’s article in the New York Times science section about amateur micro-meteorite collection. If they can find such beautiful objects in gutters and on roofs, I would imagine that the salt flats should have collected a lot of objects smaller than bowling balls. Has anyone of this list successfully searched and collected any there? Any tips to share?
Bob Grant
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participants (5)
-
Chuck Hards -
chuck.hards
-
Daniel Holmes -
Patrick Wiggins -
Richard Tenney