lab test 1 Flashcards
What mineral is this rock composed o + what are its features?
- pyrite
- hardness = 5.5-7
- fracture: uneven
What mineral is this rock composed o + what are its features?
- chalcopyrite
- hardness = 3-5.5
- fracture = uneven
What mineral is this rock composed o + what are its features?
- galena
- hardness = 2.5 - 3
- cleavage = cubic 90 degree
What mineral is this rock composed o + what are its features?
- sphalerite
- hardness = 3-5.5
- cleavage = dodecahedral
What mineral is this rock composed o + what are its features?
- magnetite
- hardness = 3-5.5
- fracture = uneven
What mineral is this rock composed o + what are its features?
- talc
- hardness = 1
- cleavage = basal
What mineral is this rock composed of + what are its features?
- gypsum
- hardness = 2
- cleavage = basal
What mineral is this rock composed of + what are its features?
- calcite
- hardness = 3
- cleavage = rhombohedral
What mineral is this rock composed o + what are its features?
- halite
- hardness = 1-2.5
- cleavage = cubic 90 degree
What mineral is this rock composed o + what are its features?
- graphite
- hardness = 1-2.5
- cleavage = basal
What mineral is this rock composed o + what are its features?
- muscovite
- hardness = 1-2.5
- cleavage = basal
What mineral is this rock composed o + what are its features?
- biotite
- hardness = 1-2
- cleavage = basal
What mineral is this rock composed o + what are its features?
- amphibole
- hardness = 5.5-7
- cleavage = prismatic - 2 planes not 90 degree
What mineral is this rock composed o + what are its features?
- orthoclase
- hardness = 1-2.5
- cleavage = prismatic @ 90 degree
What mineral is this rock composed o + what are its features?
- plagioclase feldspar
- hardness = 5.5-7
- cleavage = prismatic @90 degree, 2 directions
What mineral is this rock composed o + what are its features?
- quartz
- hardness = 7
- fracture = conchoidal
What mineral is this rock composed o + what are its features?
- olivine
- hardness = 5.5-7
- fracture = conchoidal
What mineral is this rock composed o + what are its features?
- pyroxene
- hardness = 1-2.5
- cleavage = prismatic @ 90 degrees
What mineral is this rock composed o + what are its features?
- granite
- phaneritic
- felsic
What is the name of this igneous rock + features?
- diorite
- aphanetic
- intermediate
What is the name of this igneous rock + features?
- gabbro
- phaneritic
- mafic
What is the name of this igneous rock + features?
- peridoitite
- phaneritic
- olivine
What is the name of this igneous rock + features?
- rhyolite
- aphanitic
- felsic
What is the name of this igneous rock + features?
- basalt
- aphanitic
- mafic
What is the name of this igneous rock + features?
- obsidian
- glassy
-felsic
What is the name of this igneous rock + features?
- pumice
- highly vesicular
- felsic
What is the clastic sediment + clastic sedimentary rock name?
- clastic sediment = sand
- rock name = sand stone
What is the clastic sediment + clastic sedimentary rock name?
- clastic sediment = clay
- rock name = shale
What is the clastic sediment + clastic sedimentary rock name?
- clastic sediment = gravel
- rock name = conglomerate
What is the clastic sediment + clastic sedimentary rock name?
- clastic sediment = silt
- rock name = siltstone
What is the mineral present + chemical sedimentary rock name?
- mineral = calcite
- chemical rock name = travertine
What is the mineral present + chemical sedimentary rock name?
- mineral = halite
- rock name = rock salt
What is the mineral present + chemical sedimentary rock name?
- mineral = quartz
- rock name = chert
What is the mineral present + bio sedimentary rock name?
coal
what is the biochemical sedimentary rock name?
chalk
what is the biochemical sedimentary rock name?
micrite
what is the biochemical sedimentary rock name?
coquina
what is the biochemical sedimentary rock name?
fossiliferous limestone
what is the metamorphic rock’s name + features?
- name = slate
- foliation = slaty cleavage
- change in luster = slaty cleavage
what is the metamorphic rock’s name + features?
- name = phyllite
- foliation = phyllitic foliation
- change in luster = silk/satiny sheen
what is the metamorphic rock’s name + features?
- name = schist
- foliation = schistose foliation
- change in luster = distinct sparkle
what is the metamorphic rock’s name + features?
- name = gneiss
- foliation = gneissic foliation
change in luster = prominent banding
