Lewis & Clark Expedition Sacagawea painting by by Janis Lang using soil paint. Janis took her long standing respect for the land and combined it with her love of art and painting by turning soil into a paint element and using it as the medium for her art. 
Sacagawea and her son travelled with the Lewis and Clark expedition. Hematite colors (in the sky of this painting) are more prevalent in warmer climates or where soil has preserved a record of warmer climates from earlier geologic times. Hematite (Greek for blood-like) adds rich red tints. In general, goethite soil colors occur more frequently in temperate climates, and the smaller goethite crystals produce shades of brown. Large hematite crystals give a purplish-red color to geologic sediments that, in a soil, may be inherited from the geologic parent material.
Learn more on the Munsell Color Blog: https://goo.gl/eCGr7A  #lewisandclarktrail #lewisclark #lewisandclark #lewisclarktrail #lewisandclarknationalhistorictrail #lewisandclarknationalhistoricpark 
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#soilscience  #soil #soils #soilcolor #soilcolors #soilnerd #soilnerds 
#dirtpainting #paintwithdirt #soilart #soilpainting #soilpaintings #soilpainter #soilpaint
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