Fractionation of the communalities (i.e., the importance of RC to each sample) over time based on the ATR-FTIR analyses.

Representative XRD diffractograms and their sampling location confirm the interpretation of each RC showing typical patterns of (A) goethite, (B) siderite and (C) opal-A.

Bibliographic Details
Main Authors:	Malin E. Kylander (807890), Mikaela Holm (10318543), Jennifer Fitchett (10318546), Stefan Grab (10318549), Antonio Martinez Cortizas (3332232), Elin Norström (10318552), Richard Bindler (2057503)
Format:	Still Image
Language:	unknown
Published:	2021
Subjects:	Physiology Evolutionary Biology Ecology Environmental Sciences not elsewhere classified Astronomical and Space Sciences not elsewhere classified Biological Sciences not elsewhere classified Chemical Sciences not elsewhere classified season precipitation BP Africa Southern Africa Antarctic Cold Reversal centennial timescales precipitation zones slope basin yr data support spectroscopy attenuated Glacial period Quaternary paleoclimatic change drier period drier conditions region winter precipitation ACR Sekhokong Range δ 13 C nuanced picture 80 years paleoclimatic variability paleoenvironmental evolution sample Drakensberg FTIR-ATR reliably-dated records Antarctic Antarc*
Online Access:	https://doi.org/10.1371/journal.pone.0246821.g005

Description
Summary:	Representative XRD diffractograms and their sampling location confirm the interpretation of each RC showing typical patterns of (A) goethite, (B) siderite and (C) opal-A.