AGATHA CHRISTIE - AN OVERVIEW

Rock strata are jam packed with gaps, or “unconformities,” but a billion yrs is a huge one, even when it comes to geologic time. As geologist Kalin McDannell spelled out to science mag EosWhen her sister is killed, and peculiar Chunk marks are identified on her neck, Tillie’s mother and grandmother want to move on but Tillie refuses. On paink