HIAF 3051 Lecture Notes - Lecture 3: African Journals Online, Cowpea, Vigna Subterranea

• School: University of Virginia
• Department: History-African History
• Course: HIAF 3051
• Professor: James La Fleur

Document Summary

Started 10,000 years ago: bp has to deal with archeological dating, when authors are relying exclusively on radiocarbon dates. Stratigraphy: old stuff at the bottom, new stuff at the top: strata = each layer. Intrusion is when people dig up things and new materials from the present get in. The aha(cid:396)a used to (cid:271)e filled (cid:449)ith all diffe(cid:396)e(cid:374)t t(cid:455)pes of a(cid:374)i(cid:373)als, it (cid:449)as(cid:374)"t just si(cid:373)pl(cid:455) a dese(cid:396)t: can see that there used to be water in the sahara by looking at plant remains, and river bed patterns. Found whale bones in the sahara -> shows event he coast line has changed. Paleoecology/paleoclimatology = study of old ecologies and climates. Pollen is super durable and you can find pollen from 10,000 years ago: dig up soil and suspend pollen a(cid:374)d (cid:272)a(cid:374) see (cid:449)hi(cid:272)h pla(cid:374)ts the(cid:455) (cid:272)o(cid:373)e f(cid:396)o(cid:373) (cid:272)a(cid:374) (cid:396)e(cid:272)o(cid:374)st(cid:396)u(cid:272)t the (cid:448)a(cid:396)iet(cid:455) of pla(cid:374)ts at different times.