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fifbrindacier

Plant material

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Malone
31 minutes ago, Rockwood said:

Here are a few pieces.

IMG_4545a.jpg

IMG_4548a.jpg

I have been amazed at the knowledge I have gained from this forum! Thank you!

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abyssunder

Considering the below pictures, it looks melted material (glassy) with vesicles in it, iron mineral content, sandy debris and black elements of charcoal.

It could be slag , in my opinion.

 

IMG_0772.JPG.ac8bb86424000b53b69548b6f3677cfb.thumb.JPG.33cd859e805e24967b97ab27a34fe1d6.JPGcharcoalslag.jpg.1c53b449a50ce54002e8ef67b97d535f.jpg

comparative picture from here

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Rockwood
13 minutes ago, abyssunder said:

Considering the below pictures, it looks melted material (glassy) with vesicles in it, iron mineral content, sandy debris and black elements of charcoal.

It could be slag , in my opinion.

There are remains of a mill that smelted iron that way near here. That does sound right. . . .

This time. :)

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Malone
1 hour ago, Malone said:

I have been amazed at the knowledge I have gained from this forum! Thank you!

 

1 hour ago, Malone said:

I have been amazed at the knowledge I have gained from this forum! Thank you!

It looks like the material on the left in both pictures is slag. The middle piece in both pictures looks like charcoal from a camp fire and the piece on the right in both pictures looks to be plant material that been burned, but there are so many materials that come from the steel mills it's amazing. I have found non magnetic metals of all sorts and really strange combinations of rock and metal. Here's one example. Oops accidentally quoted my response 

IMG_2906.JPG

Edited by Malone
Proficiency problems

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Malone

Are those examples of the stages of lignification?

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Rockwood

Here is a slag maker.

IMG_1451a.jpg

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Rockwood
On 2/11/2018 at 12:20 PM, fifbrindacier said:

I've visited another new place where i could find miocene plant material in a ligniteous clay

My examples may be something like she is after.

Lignite is a form of coal.

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Malone
31 minutes ago, Rockwood said:

My examples may be something like she is after.

Lignite is a form of coal.

It amazes me how my perception could be correct yet completely naive. Thank you for enlightening me!

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fifbrindacier
On 13/02/2018 at 9:58 PM, Ptychodus04 said:

You want to slowly dry them and then stabilize with Paraloid. Don’t use white glue unless they can’t handle a controlled dry as once set it is irreversible.

 

To control the drying rate, wrap your wet pieces in a damp towel (or damp newspaper). Then, wrap this in a dry towel. Repeat for all your pieces. Now place your pieces in a box with a lid and close them up for a couple weeks. 

 

After this process, you should have dry unstable pieces that you can coat with Paraloid dissolved in acetone (1:50 ratio). This is permanently reversible if needed and will not deteriorate as other glues will. 

Do you mean 1 unity of paraloid for a half unity of acetone ?

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fifbrindacier
4 hours ago, abyssunder said:

Considering the below pictures, it looks melted material (glassy) with vesicles in it, iron mineral content, sandy debris and black elements of charcoal.

It could be slag , in my opinion.

 

IMG_0772.JPG.ac8bb86424000b53b69548b6f3677cfb.thumb.JPG.33cd859e805e24967b97ab27a34fe1d6.JPGcharcoalslag.jpg.1c53b449a50ce54002e8ef67b97d535f.jpg

comparative picture from here

 

4 hours ago, Rockwood said:

There are remains of a mill that smelted iron that way near here. That does sound right. . . .

This time. :)

In fact, i found it in a place where there are cultivated fields of Corn. I've never heard of a Mill or coal industry nearby, even an old one. That of course doesn't mean there was no artisanal coal production and that it isn't a slag, but if it is, i really don't know where it comes from.

What i know for sure is that that clay was used for pottery since the Romans to recent years.

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ynot
26 minutes ago, fifbrindacier said:

Do you mean 1 unity of paraloid for a half unity of acetone ?

No, He means 1 part to 50 parts.

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fifbrindacier
2 hours ago, Rockwood said:

My examples may be something like she is after.

Lignite is a form of coal.

Yes, i do am after that kind of thing, maybe not so big at that place, but i hope finding some nice little pieces after the ploughings.

I've heard of a well known old mine of lignite where you can find whole trunks or stumps, ferns, etc... but it's just farer. I'll soon go to visit that place also. For example, there was found a trunk of palm tree of 14 meters (a little too big).

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fifbrindacier
1 minute ago, ynot said:

No, He means 1 part to 50 parts.

Ok, so, if i understand well, for example : 1 cl of paraloid for 50 cl of acetone ?

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ynot
1 minute ago, fifbrindacier said:

Ok, so, if i understand well, for example : 1 cl of paraloid for 50 cl of acetone ?

Oui!:thumbsu:

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fifbrindacier

:thumbsu:

 

I did love chemistry in school, but, i had to work hard to have an acceptable result.:)

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fifbrindacier

The last time i used acetone was to get rid of glue fallen on a wax cloth.

The wax cloth didn't like it.:wacko:

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Rockwood
5 hours ago, fifbrindacier said:

 

In fact, i found it in a place where there are cultivated fields of Corn. I've never heard of a Mill or coal industry nearby, even an old one. That of course doesn't mean there was no artisanal coal production and that it isn't a slag, but if it is, i really don't know where it comes from.

What i know for sure is that that clay was used for pottery since the Romans to recent years.

Slag could have been mixed with lime at it's source and later gotten mixed with what was spread on fields to adjust soil PH. 

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Ptychodus04
8 hours ago, fifbrindacier said:

The last time i used acetone was to get rid of glue fallen on a wax cloth.

The wax cloth didn't like it.:wacko:

 

Most things don’t like acetone, including human cells. It’s nasty stuff. I wear a respirator when using it.

 

You have the ratio correct, thanks Tony @ynot. 1 part Paraloid dissolved in 50 parts acetone measured by volume.

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abyssunder
12 hours ago, fifbrindacier said:

 

In fact, i found it in a place where there are cultivated fields of Corn. I've never heard of a Mill or coal industry nearby, even an old one. That of course doesn't mean there was no artisanal coal production and that it isn't a slag, but if it is, i really don't know where it comes from.

What i know for sure is that that clay was used for pottery since the Romans to recent years.

I'm pretty sure it's slag. Might be from the Romans. :)

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Malone

Here's a piece of slag from the Pueblo steel mill 

IMG_2917.JPG

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Rockwood
3 hours ago, abyssunder said:

I'm pretty sure it's slag. Might be from the Romans. :)

Well they do call it the iron age for a reason. 

Carbon from slag like this being alloyed with iron as slag was hammered out of it is how steel was discovered. 

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fifbrindacier
3 hours ago, abyssunder said:

I'm pretty sure it's slag. Might be from the Romans. :)

I really didn't expect to have a "Roman slag".

1 hour ago, Malone said:

Here's a piece of slag from the Pueblo steel mill 

IMG_2917.JPG

That would explain the little holes on my piece.

20 minutes ago, Rockwood said:

Well they do call it the iron age for a reason. 

Carbon from slag like this being alloyed with iron as slag was hammered out of it is how steel was discovered. 

Most of human's discovers are accidents.

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Rockwood
27 minutes ago, fifbrindacier said:

 

Most of human's discovers are accidents.

One of the reasons I'm the poster boy for not being overly careful. :)

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