[DOC] [TLE] Chapter 4 Rocks and Minerals - Volcano World [PAR] Under the thick layers of sedimentary rock lies the denser granite. ... Most of the 
Earth's surface rocks are covered by soil or clay. ... temperatures and pressures 
or coming in contact with magma can cause these sedimentary rocks to change 
to metamorphic rocks. ... Mica is a mineral that can be split into very thin sheets. [DOC] [TLE] Rock Key - Bob's Rock Shop [PAR] Rocks are made of minerals, like quartz, calcite, feldspars, and micas. ... Sand 
has the largest particles while clay has the smallest. ... The sediment gets turned 
into rock by being buried and compacted by pressure from the weight above it. .... 
In schists, the layers are most often thin layers of mica or chlorite around lens... [DOC] [TLE] Class Notes - Sedimentary Rocks [PAR] The layer of sedimentary rocks is relatively thin (especially compared with the ... 
clay minerals are parallel to each other - imparts a tendency to split into thin ... 5
% mica) may result in the formation of clays and a concentration of quartz. .... The 
increase in the volume of the ridge causes ocean water to encroach on the land. [DOC] [TLE] Sedimentary rock - Wikipedia [PAR] Sedimentary rocks are types of rock that are formed by the deposition and 
subsequent cementation of that material at the Earth's surface and within bodies 
of water. Sedimentation is the collective name for processes that cause mineral 
and/or ... Sedimentary rocks are deposited in layers as strata, forming a structure 
called... [DOC] [TLE] PA DCNR - Geology - Rock Types [PAR] Rocks are divided into three basic groups: sedimentary, igneous, and ... 
Metamorphic rock names are based on grain size, organization of minerals into 
layers (foliation), ... Mixture of sandstone, siltstone, shale, claystone, limestone, 
and coal. ... Slate - A very fine-grained layered metamorphic rock that splits into 
thin sheets. [DOC] [TLE] mica | mineral | Britannica.com [PAR] It is a type of phyllosilicate, exhibiting a two-dimensional sheet or layer structure. 
... Among the principal rock-forming minerals, micas are found in all three .... The 
perfect cleavage into thin elastic sheets is probably the most widely ... The colour 
and occurrence of this mineral in sediments and sedimentary rocks formed from... [DOC] [TLE] Rocks under the Microscope - Index - Department of Earth Sciences [PAR] The images are classified according to rock type (sedimentary, igneous, ... 
Narrow flakes of mica, seen edge-on, and slightly crumpled, lie on bedding 
planes. ... grains of the mineral glauconite, seen here among quartz grains in a 
matrix of clay ... by adding layers of calcium carbonate onto a tiny sedimentary 
grain of quartz. [DOC] [TLE] Minerals, Rocks & Rock Forming Processes [PAR] Minerals can be classified into several groups according to their chemical 
composition. .... of the first crust (crust was thin, very mobile, and convection was 
vigorous). ... A sill is a sheetlike injection of magma between layers of 
sedimentary rock. A dike ... clays, and dissolved salts) do all sediments on the 
earth's surface form. [DOC] [TLE] Glossary of Geological Terms | Natural Resources [PAR] Jul 28, 2015 ... bed, bedding - Layers in sedimentary rocks formed during deposition ... biotite - 
The black variety of the mica group of minerals containing potassium, aluminum, 
magnesium and iron; it splits easily into thin, translucent sheets. .... foliation - In 
metamorphic rocks, the layering of minerals caused by oriented... [DOC] [TLE] Clay - Notebook [PAR] In the lithification process, compacted clay layers can be transformed into shale. 
.... or clay, having the property of splitting into thin layers parallel to its bedding 
planes ... causes the flaky minerals within the sedimentary rock, such as mica, 
clay,... [DOC] [TLE] Classification of Metamorphic Rocks [PAR] This parallel alignment causes the rock to split easily into thin layers or sheets. ... 
rocks and many minerals in sedimentary rock can occur in metamorphic rocks. ... 
A shale protolith (initially clay minerals with lesser amounts of quartz and... [DOC] [TLE] Rock types -

Question: Clay & mica minerals in this sedimentary rock cause it to split into thin layers
Answer: shale