[Aztlan] Aztlan Digest, Vol 26, Issue 28 Iron Ore

[Justin Kerr]

A shell covered with and filed with cinnabar may be found at
http://research.famsi.org/portfolio_hires.php?search=8019&date_added=&image=
8019&display=8&rowstart=0

A small of the material in the shell was sent for analysis and the
laboratory reported that the sample was almost pure cinnabar and extremely
dangerous if inhaled. Samples from other objects generally reported a
mixture of cinnabar and red iron oxide. In Peruvian textiles, however, the
cinnabar is often mixed with red lead and has caused lead poisoning to at
least one textile restorer. 

Justin Kerr  

-----Original Message-----
From: aztlan-bounces at lists.famsi.org [mailto:aztlan-bounces at lists.famsi.org]
On Behalf Of Clifford T. Brown
Sent: Wednesday, January 30, 2008 8:12 AM
To: aztlan at lists.famsi.org
Subject: Re: [Aztlan] Aztlan Digest, Vol 26, Issue 28 Iron Ore

No, you're right. "Red ochre" is a common vernacular term for the pigment
produced from ground hematite. "Yellow ochre" usually refers to the pigment
made from goethite.

Clifford T. Brown, Ph.D.

Assistant Professor

Department of Anthropology

Florida Atlantic University

777 Glades Road

Boca Raton, Florida 33431

(561) 297-3232

ctbrown at fau.edu

http://www.fau.edu/~ctbrown


-----Original Message-----
From: aztlan-bounces at lists.famsi.org [mailto:aztlan-bounces at lists.famsi.org]
On Behalf Of Benjamin Carter
Sent: Wednesday, January 30, 2008 6:58 AM
To: rod44 at comcast.net
Cc: aztlan at lists.famsi.org
Subject: Re: [Aztlan] Aztlan Digest, Vol 26, Issue 28 Iron Ore

Rod,

I am not well versed in the difference between ochre and hematite, but 
as far as I can tell, hematite is a general term that includes many 
different variations on a rhombohedal form of Iron (III) oxide. The 
variations include the metalic-looking varieties, but can also be 
"ochre", which really (especially coloquially) seems to be a catchall 
term for red iron oxides. Any one else out there that can correct me?

Ben


rod44 at comcast.net wrote:
>  Nice discovery about the iron mine.....   However....   Hematite produces
a vivid red color as a pigment, not ocher, (hence the name "hema"  as in
blood).  It is the hydrated ores of iron, Limonite, that produces the ocher
color.  Hematite can also take a fine polish and was used for mirrors   (as
in Tezcatlipocas) and other decorative items.  It can also be an ore of the
metal but the temperatures required were probably beyond  Amerindian
capabilities.
> Please clarify what was found.     
>   
>> When replying, please remove all topics not related to your reply.
>>
>> Today's Topics:
>>
>>
>>    7. NASCA CULTURE IRON ORE MINING DISCOVERED (michael ruggeri)
>>     
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>> Message: 7
>> Date: Tue, 29 Jan 2008 11:22:38 -0600
>> From: michael ruggeri <michaelruggeri at mac.com>
>> Subject: [Aztlan] NASCA CULTURE IRON ORE MINING DISCOVERED
>> To: aztlan at lists.famsi.org
>> Message-ID: <5E54A4D6-1897-46D6-96A7-61ABDFF0CD24 at mac.com>
>> Content-Type: text/plain;	charset=US-ASCII;	delsp=yes;	
>> format=flowed
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>>
>> Listeros,
>>
>> Purdue archaeologist Kevin Vaughn has discovered an intact iron ore  
>> mine maintained by the Nasca culture in Peru (1-750 BCE). It is a  
>> hematite mine and had been mined by earlier cultures going back 1400  
>> years. Vaughn thinks that the ochre colored hematite was used for  
>> ceramic paints and possible body paints, textiles and adobe walls.
>>
>> They have found artifacts in the mine including corn cobs, stone  
>> tools, textiles and pottery. The pottery allowed Vaughn to date the  
>> mine.
>>
>> AScribe has the story here;
>> http://newswire.ascribe.org/cgi-bin/behold.pl? 
>> ascribeid=20080129.074508&time=08%2003%20PST&year=2008&public=0
>>
>> I have made a tiny URL
>> http://tinyurl.com/2c8gs9
>>
>>
>> Mike Ruggeri
>>
>>
>>
>>
>>     
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