June 15, 1998

micro METEORITES -

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Holbrook Finds - Made by Bolidechaser

If you would like to show off your Holbrook (or Adamana) finds on this page, then feel free to email me at the address at the bottom of this page, and I will see that it is posted. If you wish to remain anonymous, confidentiality is guaranteed. Dealers who don't have their own web site are welcome, too!

Specimens with Fusion Crust -

Specimen ID. Image Description/Location
H98122-RSV1 My first find, and it's one of the few complete individuals (~90% fusion crust). Most finds averaged ~4 mm. These first 6 finds weren't made until after I got back to the motel room and required the use of a very good hand lens. The next images were taken through a 14x lens.
H98122-RSV1 "Click" for
IMAGE		 Zoom IN of the above image - note cracks in the fusion crust on the right side of this specimen. Probably produced during cooling of the crust.
H98122-RSV1 "Click" for
IMAGE		 Zoom IN, again - where the crust is missing, chondrules can be seen.
H98122-RSV1 "Click" for
IMAGE		 Final Zoom IN - shows the interior of this "micro" meteorite.
H98122-RSV2 Fragment with chondrules in high relief.
H98122-RSV2 "Click" for
IMAGE		 Zoom IN.
H98122-RSV2 "Click" for
IMAGE		 Zoom IN, again - depicts chondrules up to 1mm in diameter.
H98122-RSV2 "Click" for
IMAGE		 Final Zoom IN - close up of one of the chondrules.
H98122-RSV2 "Click" for
IMAGE		 Thumbnail image.
H98122-RSV4 Fragment of fusion crust. As is typical with Holbrook specimens, certain larger chondrules poke through the fusion crust to produce a wart-like texture.
H98122-RSV4 "Click" for
IMAGE		 BACKSIDE of the above fragment.
H98122-RSV5 An end piece. There is fusion crust on the back side of this specimen, as well.
H98122-RSV5 "Click" for
IMAGE		 End view.
H98122-RSV5 "Click" for
IMAGE		 Specimen resting on a US 10 cent piece (dime).
H98122-RSV5 "Click" for
IMAGE		 CLOSE-UP. As is typical with Holbrook specimens, certain larger chondrules poke through the fusion crust to produce a wart-like texture.
H98122-RSV5 "Click" for
IMAGE		 CLOSER STILL.
H98122-RSV5 "Click" for
IMAGE		 CLOSEST.
H98122-RSV6 Another fragment of fusion crust.
H98122-RSV6 "Click" for
IMAGE		 Same view, but with different lighting.
H98122-RSV6 "Click" for
IMAGE		 CLOSE-UP.
H98122-RSV7 Fusion crusted end-piece specimen. Nice chondrules!
H98122-RSV7 "Click" for
IMAGE		 BACKSIDE. Nice looking end-piece!
Specimen ID. Image Description/Location
H98123-RSV10 Another fragment.
H98123-RSV10 "Click" for
IMAGE		 CLOSE-UP.
H98123-RSV10 "Click" for
IMAGE		 Another view.
H98123-RSV10 "Click" for
IMAGE		 Same view, close-up and with different lighting.
H98123-RSV11 COMPLETE INDIVIDUAL. This grain has gotten the attention of everyone that has looked at it. It looks different from the other grains. It's pitch black, tarry fusion crust looks more like a eucrite.
H98123-RSV11 "Click" for
IMAGE		 CLOSE-UP.
H98123-RSV11 "Click" for
IMAGE		 CLOSER STILL. Note - thin, flakey, shiny black fusion crust.
H98123-RSV11 "Click" for
IMAGE		 Another close view, but with different lighting.
H98123-RSV11 "Click" for
IMAGE		 Opposite side.
H98123-RSV11 "Click" for
IMAGE		 Another side.
H98123-RSV11 "Click" for
IMAGE		 Holbrook (EUC)??!.
H98123-RSV12 An end piece.
H98123-RSV12 "Click" for
IMAGE		 Bottom side.
H98123-RSV13 Another end piece.
H98123-RSV13 "Click" for
IMAGE		 Bottom side. As is typical with Holbrook specimens, certain larger chondrules poke through the fusion crust to produce a wart-like texture.
H98123-RSV14 Another fragment of fusion crust.
Specimen ID. Image Description/Location
H98123-RSV15 Another fragment.
H98123-RSV15 "Click" for
IMAGE		 Another view, but with different lighting.
H98123-RSV15 "Click" for
IMAGE		 Top side - with fusion crust.
H98123-RSV16 COMPLETE INDIVIDUAL - 80% Fusion Crust.
H98123-RSV16 "Click" for
IMAGE		 Bottom side.
H98123-RSV16 "Click" for
IMAGE		 CLOSE-UP - where the crust is missing, chondrules can be seen.
H98123-RSV17 COMPLETE INDIVIDUAL - 80% Fusion Crust.
H98123-RSV17 "Click" for
IMAGE		 Bottom side.
H98123-RSV18 Fragment of Fusion Crust. As is typical with these Holbrook specimens, certain larger chondrules/metallic grains poke through the fusion crust to produce a wart-like texture. Some of these grains appear to have resisted ablation, whereas others appear to have blistered up during weathering.
H98123-RSV18 "Click" for
IMAGE		 Back side is encrusted with chondrules.
H98123-RSV19 COMPLETE INDIVIDUAL - 70% Fusion Crust.
H98123-RSV19 "Click" for
IMAGE		 Zoom IN of the above image - note cracks in the fusion crust on this specimen. Probably produced during cooling of the crust.
H98123-RSV19 "Click" for
IMAGE		 Another view of the cracks.
Specimen ID. Image Description/Location
H98123-RSV20 Fragment with fusion crust (f.c.).
H98123-RSV20 "Click" for
IMAGE		 Zoom IN of the above image - note cracks in the fusion crust on this specimen.
H98123-RSV20 "Click" for
IMAGE		 Another view of the cracks.
H98123-RSV20 "Click" for
IMAGE		 Extreme close up.
H98123-RSV21 End piece - 60% f.c.
H98123-RSV21 "Click" for
IMAGE		 Zoom IN of the above image - note "large" blister of oxide coming through the crust. Probably formed during weathering.
H98123-RSV21 "Click" for
IMAGE		 Extreme close up.
H98123-RSV22 Fragment - a piece of fusion crust with a "rust" spot.
H98123-RSV22 "Click" for
IMAGE		 Close-up view.
H98123-RSV23 Fragment with fusion crust (f.c.).
H98123-RSV23 "Click" for
IMAGE		 Extreme close up.
H98123-RSV23 "Click" for
IMAGE		 The other half of the above specimen.
H98123-RSV23 "Click" for
IMAGE		 View of the backside.
H98123-RSV23 "Click" for
IMAGE		 Extreme close up.
Specimen ID. Image Description/Location

Holbrook Finds - weathered - no fusion crust

This next section is for those finds of mine that have no evidence of fusion crust. My theory is that the variation in preservation/weathering of Holbrook meteorites is related to what kind of soil it sat in. If it sat in the sandy, topmost portion of the soil, preservation would be likely. If it sat on an alkali hardpan or was washed down into a salt flat, the fusion crust would devitrify and the native metal would corrode.
If anyone wishes to conduct additional test, the following specimens are available.

Specimen ID. Image Description/Location
H98123-RSV24 Fragment without any fusion crust (f.c.). To see image, "click" on symbol in preceeding column.
H98123-RSV25 Fragment without any f.c.
H98123-RSV26 Fragment without any f.c.
H98123-RSV27 Fragment without any f.c.
H98123-RSV28 Fragment without any f.c.
H98123-RSV29 Fragment without any fusion crust (f.c.), but with some nice chondrules that are exposed in relief.
H98123-RSV30 Fragment without any fusion crust (f.c.). This specimen is, for the most part, a "large" angular, metallic grain.
H98123-RSV31 Fragment without any f.c.
H98123-RSV32 Fragment without any fusion crust.
Specimen ID. Image Description/Location

Holbrook Wannabies - probably meteorwrongs(?)

This next section is for those finds of mine that would require further testing in order to prove that they are meteorites, let alone Holbrook (L6)'s. All of these specimens are available to any one wishing to conduct further testing. For the time being, I'm calling them Holbrook Wannabies:
Specimen ID. Image Description/Location
H98122-RSV03 I call this one, 'Lil' Heartbreaker"! Thought I had a tiny Adamana, but alas, 'tis only lowly hematite.
H98122-RSV03 "Click" for
IMAGE		 Zoom IN.
H98122-RSV03 "Click" for
IMAGE		 Same surface, but different lighting.
H98122-RSV03 "Click" for
IMAGE		 Close UP - ~14x.
H98122-RSV03 "Click" for
IMAGE		 Reverse side.
H98122-RSV08 An end piece fragment(?), but I don't think that's fusion crust, I don't clearly see any chondrules, and the interior is too dark.
H98123-RSV34 Magnetic, but no fusion crust and no clear display of chondrules. Coarse-grained sand size makes this a large enough sample for most test purposes.
H98123-RSV34 "Click" for
IMAGE		 Close-up view.
Specimen ID. Image Description/Location

Show Us Your Holbrook Finds - submit images of your finds HERE!

This next section is for those who would like to submit images of their Holbrook (or Adamana) finds to this page:
Specimen ID. Image Description/Location
any ID No. A description of your find would go here. In case you have specimens for sale or trade, your name and email address or URL could go here, as well! For example, Michael Blood's Web Site
e.g., GBdate-## If you have an image of your find, a description of what is depicted on that image could go here.
or, GB-Lang-No# Depth of burial, or a description regarding the conditions of the surface at the site of recovery would be appreciated. An image of that site could go here.
**MAP** If you think you made a find outside of the strewn field, then an image of a topo map with an "X" on it, marking the spot of your find location, would be important.

Images are by Bolidechaser.
This page dedicated to Michael Blood for sharing his knowledge, especially the proper location of this strewn field.

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Show Us What You've Found!


If you want images of your Holbrook (or Adamana!) finds to be included on this web site
please email me at:
bolidechaser@tripod.net
TRIPOD
980615