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Country: Finland
Varve Category: mixed varves
Archive Type: lacustrine sediments
Lake Type: glacial lake
Elevation: 104
Length of Record: 9898
DOI / Reference Link: Access Link
Reference: Ojala, A.E.K. & Alenius, T., 2005. 10 000 years of interannual sedimentation recorded in the Lake Nautajärvi (Finland) clastic-organic varves. Palaeogeography, Palaeoclimatology, Palaeoecology 219, 285-302.
Picture 1:
lake shore with cloudy sky and grass / tree shoreline

Author of Picture 1: Antti Ojala
Description: Influx of catchment-derived minerogic matter into Lake Nautajärvi, Finland, in late-May 2010
Picture Authors: Antti Ojala
macro image of varve sediment lines, light brown

Description: Clastic-biogenic varves from Nautajärvi, Finland. The basic structure of varves is very simple. Each varve consists of two layers, a light layer of mineral material and a dark layer of organic material (core: as4, cored in 2001 at a depth of 120 cm (ca. AD 100).
Picture Type: macroscopic
full varve radiological

Description: X-radiographic image of Lake Nautajärvi varves for 205-306 BC
Picture Type: radiographic
surface uncovered

Description: Recent clastic-biogenic surface varves in Lake Nautajärvi cored with a Kajak-corer in 2011
Picture Type: macroscopic