Geology of the Pitkäslähde spring, western Finland, and the enrichment of elements from groundwater to peat

• Main Author: K. Virtanen
• Format: Article
• Language: English
• Published: Geological Society of Finland 1993-06-01
• Series: Bulletin of the Geological Society of Finland
• Subjects: spring; ground water; peat; bogs; enrichment coefficient; migration of elements; pH; Eh; Quaternary; Pattijoki; Finland
• Online Access: http://www.geologinenseura.fi/bulletin/Volume65/sgs_bt_065_1_pages_041_048.pdf

The Pitkäslähde spring is located in the south of Pattijoki municipality, western Finland (64°26'N, 24°47'E - basic map No. 2432 12). A peat hillock about 4 m high and 150 m in diameter has developed around the spring. The flow route of groundwater in the peat deposit has been established with redox (Eh) measurements. In the course of thousands of years a large number of elements - Ag, Al, As, Ba, Cd, Co, Cr, Cu, K, La, Li, Mo, Ni, Pb, Sc, Ti, V, Y and Zn - have precipitated from groundwater and become enriched in the peat deposit adjacent to the spring; B, Ca, Fe, Mg, Mn, Na, P, Sb and Sr, in contrast, have not been enriched in the peat.