Types of Rocks: Quiz

How is this rock called? -Type: sedimentary -Description: densly packed, high absorption rate, clastic -Formation: Formation under water; moslty on the seafloor; clay-like

How is this rock called? -Type: Igneous -Description: amygladoial, phaneritic, aplitic, always black -Formation: extrusive magma solidification (also under water)

How is this rock called? -Type: sedimentary -Description: consists of SiO2 Skeletons of underwater Organisms, dark red -Formation: biogenic formation, in the deep sea,

How is this rock called? -Type: Igneous -Description: amygladioal, phanteritic, pegmatitic -Formation: intrusive magma solidification, autochthonus

How is this rock called? -Type: metamorphoric -Description: hornfelsic, small shiny spots, thin layers -Formation: chemical separation, high heat exposure

How is this rock called? -Type: igneous -Description: rough textured with holes -Formation: Highly pressurized rock ejected from a volcano

How is this rock called? -Type: metamorphic -Description: thin lines, white spots in the layers -Formation: metamorphic "reheated" Granite, resulting in lineation

How is this rock called? -Type: Igneous -Description: Phaneritic, porphyritic, pegmatitic, amygladoial -Formation: intrusive magma solidification, slow cooling

How is this rock called? -Type: Igneous -Description: amygladoial, larger minerals compared with other rocks -Formation: intrusive magma solidification, a lot time to cool

How is this rock called? -Type: sedimentary -Description: soft rock, with very little Quartz in it -Formation: fluvial sediment; deposited in rivers

How is this rock called? -Type: sedimentary -Description: clastic, pistolic -Formation: fluvial deposition

How is this rock called? -Type: metamorphic -Description: foliation -Formation: metamorphic clay minerals turned into mica minerals uder pressure

How is this rock called? -Type: Igneous -Description: Aphantic, hard and sharp (SiO2) -Formation: Fast cooled lava, not allowing the structure to crystallize

How is this rock called? -Type: metamorphic -Description: hornfelsic, Mixed colors, Mixed shades -Formation: metamorphic Limestone

How is this rock called? -Type: sedimentary -Description: Oolitic, clastic -Formation: fluvial sediment

How is this rock called? -Type: sedimentary -Description: bioclastic, prone to weathering -Formartion: Biogenic precipitation of CaCO3 in water

How is this rock called? -Type: metamorphic -Description: foliated, clay layers -Formation: metamorphic mudstone; rearrangement of clay layers

How is this rock called? -Type: sedimentary -Description: clasic, pistolic, scratched fragments -Formation: rockslide material; components older than the rock

How is this rock called? -Type: unknown -Description: bull neck, too large to pass through doors, small brain -Formation: methamorphic Granite mixed with some human cells and DNA