EES 1 Lab - Practical

Quartz (Mineral) -dark & light & hexagonal crystals & transparent to white or any color & can be massive

Quartz (Mineral) -dark & light & hexagonal crystals & transparent to white or any color & can be massive

Biotite (Mineral) -dark & black, brown, dark green & thin flexible sheets

K-Feldspar (Mineral) -light & 2 planes nearly @ 90° & white, cream to pink

Hornblende (Mineral) -dark & black & 2 planes not @ 90°

Olivine (Mineral) -olive to bright green & dark & light & conchoidal fracture

Muscovite (Mineral) -light & transparent & thin flexible sheets & 1 plane of cleavage

Augite (Mineral) -dark & 2 planes @ almost 90° &dark green to black

Plagioclase (Mineral) -Iight &dark & white to gray or reddish to reddish brown & 2 planes nearly @ 90°

Magnetite (Mineral) -metallic & light & black & magnetic

Calcite (Mineral) -colorless, transparent, white, variety of colors & reacts to HCI & light

Pyrite (Mineral) -metallic & brassy color & "fools gold"

Halite (Mineral) -colorless, white, gray, yellow, red & table salt taste (don't actually taste)

Galena (Mineral) -metallic & shiny lead gray & cubic

Serpentine (Mineral) -slippery feel, fibrous, molten green & dark & light

Hematite (Mineral) -red streak & streel gray & sometimes foliated & metallic

Gypsum (Mineral) -clear to white to gray

Corundum (Mineral)

• usually pink, brown, blue & hexagonal crystals & dark

Talc (Mineral) -Soapy feel & pale green, gray or whites

Fluorite (Mineral) -octahedral & light & dark & variety of colors

Garnet (Mineral) -NM & dark & usually burgundy, green, brown

Gneiss (Metamorphic) -foliated (granite but foliated)

Slate (Metamorphic) -foliated & fine grained & dull luster

Schist (Metamorphic) -visible sparkling & foliated & medium to coarse grained

Amphibolite (Metamorphic) -usually glossy hornblend

Phyllite (Metamorphic) -foliated & fine grained & shiny metalic luster

Sandstone (Sedimentary) -clastic comp & sand

Mudstone (Sedimentary) -can be dry & clastic & split/clay & massive

Coal (Sedimentary) -Organic comp

Coquina (Sedimentary) -Biogenic comp & fizzes in acid

Fossiliferous Limestone (Sedimentary) -Biogenic comp & fizzes in acid

Breccia (Sedimentary) -clastic & angular

Obsidian (Igneous) -black & glassy

Granite (Igneous) -Silicic & k-spar (pinkish/tanish) & coarse

Gabbro (Igneous) -mafic & no k spar & fine grained

Peridotite (Igneous) -ultra mafic(dark to green) & coarse grained

Diorite (Igneous) -Coarse & plagioclase & hornblende, no K feldspar

Rhyolite(Igneous) -Silicic & usually pinkish

Tuff (Igneous) -Silicic & Pyroclastic

Basalt (Igneous) -Mafic

Lava flow/scoria (Igneous) -Mafic &

Rhyolite ash -pinkish & clumpier

Chalk -fizzes with acid

Shale (Sedimentary) -Clastic & mud & very fine

Andesite (igneous) -<50% vesicles

Bedding -layers

Ripple Marks -water

Pumice (Igneous) -vesicular (holes) & lightweight & glassy

Conglomerate (Sedimentary) -clastic & coarse

Ash (Igneous) -pyroclastic & intermediate silica

Marble (Metamorphic) -not foliated

Quartzite (Metamorphic) -not foliated

Anthracite Coal (Metamorphic) -not foliated

MudCrack -dried mud

Graded bedding

Crossbedding -water & wind

Meta - Conglomerate (Metamorphic) -not foliated

Chert (Sedimentary) -chemical comp