Late Quaternary deposits (clastic sediments, geochemical precipitates, and biochemical residues < 0.9 million years old) occur as lithofacies in sediment-landform associations, within alpine, montane, piedmont, lowland, and basin-floor landsystems. Late Quaternary deposits are versatile resources: mineral commodities, construction sites, water-bearing materials, agricultural land, open space, and geoantiquities. Geoantiquities record stages in the development of local natural landscapes, serving as community archives of pre-urban environmental history. Managed wisely, selected geoantiquities can pay dividends in basic science, applied science, community education, community esthetics, and community ethics, now and perpetually. More typically, rapid urbanization decimates (by removal, burial, mutilation, and contamination) outstanding geoantiquities.