Will delete later just needed a mobile way to memorize

 

 Sedimentary Rock Samples

Name   -  Texture  -  Composition  -  Description



Arkrose   Clastic       Felspar/Quartz    Angular Felspar fragments

Coal - Non-clastic organic - Liffied plant material  - black  

 Quartz Sandstone - Clastic - Quartz+various mineral fragments - Round quartz grains 

Kaolin - non-clastic - Hydrous Aluminum silicate - white does not react to HCL

Rock Salt - Non-clastic - Halite - Cubish crystals

Limestone - non-clastic - calcite carbonate - bubbles with HCL

Rock Gypsum  - non-clastic - gypsum - light colored/easily scratched

Chert - non-clastic - silica chert - scratches glass/concoidal fractures 

Shale - clastic - organic material inderterminate - black stratified light G and fossils

Fossiliferous Limestone - non-clastic chemical - calcite - dark fossilized material but not black

Shale - clastic - inderterminate - smooth stratified and concodial fractures 

Conglomerate - Clastic - Quartz - rough stuck together smooth rocks 

Breccia - clastic - flint chert - large sharp rocks stuck together 

Chalk - non-clastic organic - tiny calcite shells - white and reacts to HCl 

Quartz Sandstone - clastic - quartz and fe Oxide - sandpaper 

Couina - non clastic organic - Calcite shell fragments - stuck together shells 

Black slate - foliated - black organic indertaerminate  protolyth is shale  - fine grained 

Metamorphic Rocks 

Red Slate - same as above  

Schist - foliated - Biotite with Garnet index - grey with red pimples 

 Phyllite - foliated - chlorite - greenish black color looks like chlorite

Schist - foliated - Biotite - Biotite is invisible 

Gneiss - Foliated - protolyth of granite - white gneiss 

Quartzite - non-foliated - quartz protolith SS - pink fused grains 

Pink marble - non-foliated - calcite protlyth is calcite - crystals wont scratch glass 

White marble -(same as above) 

Quartzite non foliated - quartz protolyth of Quartz SS 

Gniess - foliated - protolyth is granite - pink striped granite 

Schist - foliated - biotite - muscavite with Garnet 

Granite - Plutonic Porferific - Felsic - salt and pepper 

Igneous Rocks 

Scoria - Volcanic Vesicular - Mafic - black and full of holes

I

Rhyolite - volcanic porferitic - felsic - grey brick with pimples 

Pink Granite - Plutonic Porferitici - Felsic - typical granite 

Pumice - volcanic vescular - felsic - low G 

basalt - Volcanic aphenic - mafic - hard black brick 

Granite - plutonic porphoritic - felsic - Granite 

Gabbro - plutonic - mafic - black granite 

Rhyolite - volcanic porpheritic - felsic - 

Obsidian - Volcanic glassy - felsic - 

Rhyolite - volcanic phorpheritic - felsic 

Diorite - Plutonic phaneritic - felsic/mafic/inderterminate 

Andersite - Aphantic with phenocrysts - inderterminate