Evidence for ancient glaciations in the form of distinctive scrape marks left by glaciers were found in South America, Africa, India, and Australia, all regions near the equator with current climates far too warm to sustain a glacier.

在南美洲、非洲、印度和澳大利亚发现了古代冰川形成的证据，这些证据以冰川留下的独特刮痕的形式出现，这些地区都位于赤道附近，但目前的气候太温暖，无法维持冰川的存在。