sedimentary and metamorphic

conglomerate

• large grains

• rounded fragments

• coarse

• clastic

sandstone

• gritty

• sand sized grains

• clastic

limestone

• reacts with HCL

• can have fossils , shells

tuffstone

• porous

• lightweight

• quartz, feldspar, mica, pumice, volcanic glass (qfmpv)

rock salt

• glassy

• salty

• cubic crystals

• crystalline

poreccia (breccia)

• angular clast shape

• coarse graines

• clastic

iron oolite

• grainy, gritty

• small rounded grains

• low porosity

• mostly hematite

slate

• splits in flat sheets

• no crystals

• very tight foliation (fine and smooth)

phyllite

• splits in irregular sheets

• shiny

• no visible crystals

schist

• visible crystals

• splits along irregular planes

• irregular foliation

gneiss

• visible crystals

• has banding

• coarse

marble

• fizzes with hcl

• not foliated

• visible crystals

eclogite

• red and green

• very hard

• visible crystals

quartzite

• made of quartz

• visible crystals

• scratches glass

amphibolite

• black

• some foliation (weak foliation)

• visible crystals

• rich in amphibole and plagioclase

hornfels

• fine grained

• dark coloured

• non foliated

coal

• black

• light weighted

• no crystals

• (bioclastic)