Internal stratification of two thick Ordovician bentonites of Estonia : deciphering primary magmatic, sedimentary, environmental and diagenetic signaturesSiir, Sven; Kallaste, Toivo; Kiipli, Tarmo; Hints, RuttEstonian journal of earth sciences2015 / p. 140-158 : ill https://artiklid.elnet.ee/record=b2727638*est https://doi.org/10.3176/earth.2015.23 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS