Geog. 105 notes

Geog. 105 notes - o Some clastic types deposited by wind...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
1.30.08 Minerals **Oxygen ions are very large Silicon + 4 Oxygen = quartz o Does not have cleavage points Will shatter into many pieces if hit with a hammer Most important non-silicate rock-forming minerals are the carbonates, of which calcite (CaCO 3 ) is most important o Very common. White powder as residue from boiling water o Dissolved easily in acid solution Limestone Marble Rocks -Rocks are aggregates of minerals Igneous (volcanic) o Derived from molten rock Both crystalline and clastic o “Magma” when in volcano o “Lava” once out Sedimentary o Clastic and crystalline rock types most commonly deposited in or by water
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: o Some clastic types deposited by wind • Metamorphic o Rocks under high temperatures and pressures in deep crust and upper mantle • Two major rock textures o Crystalline o Clastic Fragmental • Volcanoes o Shield (Hawaii) Low-sloping o Stratovolcano High sloping Mt. Fuji o Plug dome Mt. St. Helens o Cinder cone • Lava o The viscosity of magma is related to its SiO2 content o The greater the SiO2 content, the greater the linkage to less explosive?...
View Full Document

This note was uploaded on 02/04/2008 for the course GEOG 105 taught by Professor Davis/platt during the Spring '08 term at USC.

Ask a homework question - tutors are online