Tierras colorantes

English translation: earth pigments

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
Spanish term or phrase:Tierras colorantes
English translation:earth pigments
Entered by: patinba

16:34 Jan 17, 2017
Spanish to English translations [PRO]
Science - Manufacturing / Chemical names, dyes, reagents
Spanish term or phrase: Tierras colorantes
This appears in an alphabetical list. The only thing that occurs to me is a literal translation "coloured earths":

"Tetrametiletilendiamina (TMEDA).
Tetranitrato de pentaeritritol.
Tiamfenicol y sus sales.
Tiazida y sus derivados de sustitución.
Tierras colorantes.
Tierras de chamota o de dinas.
Tierras de fuller, activadas.
Tierras decolorantes y tierras de batán.
Tigogenina; hecogenina; sarsasapogenina.
Tintes fugaces."
...
neilmac
Spain
Local time: 09:21
earth pigments
Explanation:
maybe?
Wikipedia
Clay earth pigments are naturally occurring minerals, principally iron oxides, that have been used since prehistoric times as pigments. The primary types are

ochre
sienna
umber
Earth pigments are known for their fast drying time in oil painting, relative inexpensiveness, and lightfastness. Cave paintings done in sienna still survive today.
Selected response from:

patinba
Argentina
Local time: 04:21
Grading comment
Thanks everyone for posting :)
4 KudoZ points were awarded for this answer



Summary of answers provided
1 +2earth pigments
patinba
2 +1mineral dyes
ormiston


  

Answers


6 mins   confidence: Answerer confidence 1/5Answerer confidence 1/5 peer agreement (net): +2
earth pigments


Explanation:
maybe?
Wikipedia
Clay earth pigments are naturally occurring minerals, principally iron oxides, that have been used since prehistoric times as pigments. The primary types are

ochre
sienna
umber
Earth pigments are known for their fast drying time in oil painting, relative inexpensiveness, and lightfastness. Cave paintings done in sienna still survive today.

patinba
Argentina
Local time: 04:21
Native speaker of: Native in EnglishEnglish
PRO pts in category: 40
Grading comment
Thanks everyone for posting :)

Peer comments on this answer (and responses from the answerer)
agree  philgoddard: Here's some examples: http://www.aduanas-mexico.com.mx/cgi-bin/ctarnet/ctarnet.exe...
7 mins
  -> Interesting. Thanks!

agree  Lisa McCarthy
19 hrs
  -> Thank you!
Login to enter a peer comment (or grade)

38 mins   confidence: Answerer confidence 2/5Answerer confidence 2/5 peer agreement (net): +1
mineral dyes


Explanation:
I have also found but the emphasis may be the wrong way eound

https://www.google.fr/url?q=http://www.carpetencyclopedia.co...

ormiston
Local time: 09:21
Native speaker of: English
Notes to answerer
Asker: Now I'm spoilt for choice... :-)


Peer comments on this answer (and responses from the answerer)
agree  Yvonne Gallagher: I'd be inclined to use this for "chemical" dyes, more likely to be synthetic
16 hrs
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