E cave mineral deposits type of cave formaons ideal

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Unformatted text preview: this drought What might be limita@ons of these climate archives? Only occur at high la@tudes Only represent ocean climate Lakes dry up = non- con@nuous record Temporally limited 3 7 Tree ring records da@ng back 500 years Longest tree ring record extends to ~2,000 years Stahle et al. (2007) Speleo – caves them - thing Speleothems – them things that grow in caves (i.e., cave mineral deposits) Cave forma@on •  1. soluble rock •  2. dissolving agent •  3. Transient water table •  2+ + 2HCO - CaCO3 + H2O + CO2 Ca 3 •  hYp://www.classzone.com/books/earth_science/terc/content/visualiza@ons/ es1405/es1405page01.cfm hYp://www.pbs.org/wgbh/nova/earth/how- caves- form.html •  What is the orienta@on of the cave passages? What is the orienta@on of these cave passages?...
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