Previous in Forum: Old Habits   Next in Forum: Why Do Bugs Fly into Lights?
Close
Close
Close
13 comments
Guru

Join Date: Oct 2006
Location: 44.56024"N 15.307971E
Posts: 7506
Good Answers: 260

Vitrified Stone Walls

02/29/2024 9:49 AM

There are many molten stone walls in Scotland and elsewhere that are still unexplained.

Researchers have stated there is not enough wood available to make enough charcoal to accomplish this high temperature.

I imagine this scenario:

A warrior props his brass shield against a tree, at just the right angle, in just the right position, and as he leaves, he walks through the near-focal point of the shield and notices that it is much warmer in that spot. He moves left and right, forward and back and finally finds a spot that is extremely hot and burns him.

His discovery is reported and exploited, and a large assembly of shields are arranged at first by trial and error, then later by design, to focus on a small area.

This is further explored and exploited and made useful for many purposes. Could this solar focus create enough energy to fuse stone?

At this point, where it is without an explanation anything is possible, even things that seem impossible. Therefor I throw this bone into the ring of contention.

__________________
"A man never stands so tall as when he stoops to help a child." "Never argue with a stupid person.They will drag you down to their level and beat you with experience" "Homo homini lupus"
Register to Reply
Pathfinder Tags: vitrified stone walls
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Comments rated to be Good Answers:

These comments received enough positive ratings to make them "good answers".

Comments rated to be "almost" Good Answers:

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, rate them!
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32849
Good Answers: 1794
#1

Re: Vitrified Stone Walls

02/29/2024 11:06 AM

__________________
All living things seek to control their own destiny....this is the purpose of life
Register to Reply
Guru
Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

Join Date: Dec 2008
Location: Long Island NY
Posts: 15438
Good Answers: 952
#2

Re: Vitrified Stone Walls

02/29/2024 11:58 AM

I like the idea that wooden structures or buildings erected adjacent to the no-longer-used fort walls burned down. By pure coincidence, the high winds of Scotland turned a bonfire into a blast furnace that day.

Remember that vitrifying a fort wall weakens the wall, so this is not an improvement in the defensive value of a fort. To my knowledge, no breached walls were found to be vitrified for breaching thus this was unlikely a technique for attacking a fort.

Another idea I like is the old fort wall became the permanent wall for smelting ore. The other walls of the furnace were dismantled to reach the newly smelted metal.

Forensic archaeology dating techniques might be able to identify when walls were built and when they became vitrified. Knowing these approximate dates could help determine if the intent was improving the fortification or reusing what was no longer useful or even if just an accident occurred.

There are a few techniques that identify when glass gets formed but I suspect most of them require the glass to be relatively thick. A thin layer of vitrification may not be useful for dating.

__________________
"Don't disturb my circles." translation of Archimedes last words
Register to Reply Score 1 for Good Answer
Guru

Join Date: Jan 2007
Location: Edinburgh, Bonnie Scotland
Posts: 1304
Good Answers: 22
#8
In reply to #2

Re: Vitrified Stone Walls

03/05/2024 3:00 AM

Ther is an assumption that only buildings nearby would have burnt, but at that time the old Caledonian forest surrounding the hill would have contained far more trees than the population would require.

Put that hill fort in the midst of a raging forest fire and the heat would be far higher than a pile of sticks could achieve.

Also, the Roman army was around at that time, so foul play from them cannot be discounted. Arrive up wind and set fire to the trees so they don’t get ambushed (again).

__________________
Madness is all in the mind
Register to Reply
Guru

Join Date: Apr 2010
Location: About 4000 miles from the center of the earth (+/-100 mi)
Posts: 9608
Good Answers: 1095
#3

Re: Vitrified Stone Walls

02/29/2024 8:07 PM

Here is an analysis. The author's conclusion is that the temperatures required were well within the capabilities of people who were smelting iron, but that the reason for the vitrification is still a mystery.

Dunning, B. "The Mystery of the Vitrified Forts." Skeptoid Podcast. Skeptoid Media, 4 Sep 2012. Web. 29 Feb 2024. <https://skeptoid.com/episodes/4326>

Register to Reply
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32849
Good Answers: 1794
#4

Re: Vitrified Stone Walls

03/02/2024 2:26 AM

My theory is that the guards that stood atop the walls never left their post to urinate, and over the years the urine added salt to the walls allowing for low temperature vitrification during structure fires over the years...

__________________
All living things seek to control their own destiny....this is the purpose of life
Register to Reply Score 1 for Off Topic
2
Power-User

Join Date: Oct 2008
Location: PA.
Posts: 127
Good Answers: 8
#5

Re: Vitrified Stone Walls

03/04/2024 11:49 AM

The vitrified stones are because of the fire breathing dragons, of course.

__________________
If the chips are down, the buffalo must be eating geese.
Register to Reply Good Answer (Score 2)
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32849
Good Answers: 1794
#6
In reply to #5

Re: Vitrified Stone Walls

03/04/2024 7:44 PM

__________________
All living things seek to control their own destiny....this is the purpose of life
Register to Reply
Anonymous Poster #1
#9
In reply to #6

Re: Vitrified Stone Walls

03/05/2024 4:37 PM

?????????????????????????????????????????

Register to Reply Off Topic (Score 5)
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 32849
Good Answers: 1794
#10
In reply to #9

Re: Vitrified Stone Walls

03/06/2024 2:21 AM

?????

__________________
All living things seek to control their own destiny....this is the purpose of life
Register to Reply Off Topic (Score 5)
Guru

Join Date: Apr 2010
Location: About 4000 miles from the center of the earth (+/-100 mi)
Posts: 9608
Good Answers: 1095
#12
In reply to #5

Re: Vitrified Stone Walls

03/08/2024 7:37 PM

Right on, good answer!

Register to Reply
Guru

Join Date: Oct 2006
Location: 44.56024"N 15.307971E
Posts: 7506
Good Answers: 260
#13
In reply to #12

Re: Vitrified Stone Walls

03/09/2024 11:48 AM

Someone made Emilia Clarke very angry,or she could have just walked by....

__________________
"A man never stands so tall as when he stoops to help a child." "Never argue with a stupid person.They will drag you down to their level and beat you with experience" "Homo homini lupus"
Register to Reply
Guru

Join Date: May 2018
Location: Under the spreading Bunya Trees, South Burnett, Queensland, Australia
Posts: 735
Good Answers: 64
#7

Re: Vitrified Stone Walls

03/05/2024 1:47 AM

Way back in the late 1800s there was a brick smelter used to smelt gold from the quartz up around an are known as Black Snake. Now this smelter did not have any external forced air but relied on being built on a promontory with deep ravines on each side. The winds rushing up these ravines were directed to the furnace, made of brick with a tall chimney for draft. The bricks were vitrified from the heat.

Also I have noticed that clay crucibles I use for Aluminum smelting running purely of induced draft do get hot enough to vitrify around the top edge so the thought that the winds form a plausible explanation for the vitrification. As a side note I make my own charcoal and it does not take a great deal of that fuel to get very high temperatures, no more than a few pieces of hardwood turned to charcoal.

__________________
Hare today, goon tomorrow!
Register to Reply
Power-User
Engineering Fields - Manufacturing Engineering - New Member Engineering Fields - Mechanical Engineering - New Member

Join Date: Apr 2008
Location: USA
Posts: 110
Good Answers: 4
#11

Re: Vitrified Stone Walls

03/06/2024 6:48 AM

It’s a rocket launch site used by the ancient aliens from another world.

Register to Reply Off Topic (Score 5)
Register to Reply 13 comments
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Comments rated to be Good Answers:

These comments received enough positive ratings to make them "good answers".

Comments rated to be "almost" Good Answers:

Check out these comments that don't yet have enough votes to be "official" good answers and, if you agree with them, rate them!
Copy to Clipboard

Users who posted comments:

Anonymous Poster (1); GM1964 (1); HiTekRedNek (1); mastrsmth (1); redfred (1); Rixter (2); SolarEagle (4); Stef (1); Ti QE (1)

Previous in Forum: Old Habits   Next in Forum: Why Do Bugs Fly into Lights?

Advertisement