How depositional environments impact the preservation of micro-wear of quartz artifacts: insights from the Oldowan of the Shungura Formation (Ethiopia) Author Galland, Aline Pleistocene Archaeology Lab, Instituto de Historia, Spanish National Research Council (CSIC), Calle de Albasanz, 26, San Blas-Canillejas, Madrid 28037 (Spain) and De la Préhistoire à l’Actuel: Culture, Environnement et Anthropologie (PACEA), Université de Bordeaux, CNRS, Bâtiment B 2, Allée Geoffroy Saint-Hilaire CS 50023, 33615 Pessac (France) aline. galland @ u-bordeaux. fr (corresponding autor) aline.galland@u-bordeaux.fr Author Clemente-Conte, Ignacio Institució milà i fontanals de estudios en humanidades (IMF), Spanish National Research Council (CSIC), Carrer de les Egipcíaques, 15, 08001, Barcelona (Spain) ignacio @ imf. csic. es ignacio@imf.csic.es Author Boisserie, Jean-Renaud French Centre for Ethiopian Studies (CFEE), CNRS, Ministry of Europe and Foreign Affairs, Arada sub city, Kebele 11 / 12, JanMeda, PO BOX 5554 Addis Ababa (Ethiopia) and Laboratory Paleontology Evolution Paleoecosystems Paleoprimatology (PALEVOPRIM), CNRS, Université de Poitiers, 6 Rue Michel Brunet, 86000 Poitiers (France) jean. renaud. boisserie @ univ-poitiers. fr jean.renaud.boisserie@univ-poitiers.fr Author Delagnes, Anne De la Préhistoire à l’Actuel: Culture, Environnement et Anthropologie (PACEA), Université de Bordeaux, CNRS, Bâtiment B 2, Allée Geoffroy Saint-Hilaire CS 50023, 33615 Pessac (France) anne. delagnes @ u-bordeaux. fr anne.delagnes@u-bordeaux.fr text Comptes Rendus Palevol 2026 2026-04-08 25 6 99 124 journal article 10.5852/cr-palevol2026v25a6 1777-571X 19700687 urn:lsid:zoobank.org:pub:415FDDE5-4CF5-4F9D-BF34-5CFB1E6ABEE1

TABLE 1. — Inventory and description of the selected archeological occurrences.Only artifacts longer than 2 cm are included in the analysis (pebbles are excluded).

Site complex	Occurrences	Deposit type	Depositional environment	Number of artifacts> 2 cm	In situ artifacts	Surface artifacts	Total number of artifacts
FtJi 2	OMO A2	Silty clay	Floodplain	76	236	128	364
OMO 123	OMO A13	Silty clay	Floodplain	208	1011	241	1252
FtJi 1	OMO A16	Coarse sand	Channel lag	72	299	0	299
	OMO A17	Coarse sand	Channel lag	111	0	206	206
	OMO A18	Coarse sand	Channel lag	65	0	120	120
OMO 79	OMO A42	Coarse sand	Channel lag	62	0	165	165
	OMO A43	Clay and silt	Point bar	47	125	127	252
	OMO A81	Coarse sand	Channel lag	68	0	150	150
	OMO A82	Clay	Floodplain	75	2	318	320
	OMO A112	Coarse sand	Channel lag	57	0	129	129
	OMO A129	Coarse sand	Channel lag	91	0	201	201
OMO 371N	OMO A167	Silt	Point bar	105	199	198	397
Total				1037	1872	1983	3855