TableĀ 2.

Lithofacies characteristics

LabelParticle sizeSortingSedimentary structuresPossible environment
DmmMatrix-supported diamictonDmm1: sandy-silty matrix, disseminated pebbles to bouldersPoorMassiveBasal till
Dmm2: silty-sandy matrix, disseminated pebbles, cobbles and a few boulders. It contains few disseminated cobble-size black, rounded, granular clasts of uncertain originPrimary till or, in some layers, soliflucted previously deposited till
GmClast-supported, massive, sandy gravelPebble-cobble framework, isolated boulders, various amounts of sandy matrixPoorMassive, locally some preferred imbricationIce-marginal fluvial setting
GtTrough cross-bedded gravelPebbles to small boulders, sandy matrix, locally openworkModerate to poorTrough cross-beds, cuts-and-fillsSubaqueous dunes, cut-and-fill structures in braided streams
GpPlanar cross-bedded gravelPebbles, openwork to sandy matrixModerate to goodSteeply inclined foresetsTransverse bars; small-scale Gilbert-like delta
GsPlanar-bedded gravelPebbles, occasional cobble, sand matrixModerate to poorPlane bedsSupercritical flow in fluvial setting
SmMassive sandCoarse-grained sand, few isolated pebblesModerate to poorMassive to faintly laminatedSediment-laden water flow
SlLaminated sanda. Medium- to coarse-graineda. Moderate, few pebblesa. Laminations, few small-scale cuts-and-fillsSupercritical flow in (a) fluvial and (b) hyperphycal flow lacustrine settings
b. Fine-grainedb. Goodb. Laminations
StCross-bedded sandMedium- to coarse-grained sand, some pebblesModerate goodTrough cross-bedsSubaqueous dunes
SrRipple cross-laminated sandFine- to medium-grained sand, siltGoodCross lamination; drift cross-laminationMostly lacustrine setting in the Pias case
FlRhythmiteFine- to medium-grained sand, silt, few lonestonesGoodLaminas to thin bedsGlacio-lacustrine setting with few ice-rafted clasts