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% Document Info
\author{roobear}
\pdfinfo{
  /Title (plate-tectonics.pdf)
  /Creator (Cheatography)
  /Author (roobear)
  /Subject (Plate Tectonics Cheat Sheet)
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\noindent
\begin{multicols}{3}
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    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Plate Tectonics Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{roobear} via \textcolor{DarkBackground}{\uline{cheatography.com/171741/cs/36069/}}}
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\noindent
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}roobear \\
  \uline{cheatography.com/roobear} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 14th December, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{The Earth's Layers and Spheres}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Spheres:}} \newline % Row Count 1 (+ 1)
~{\bf{Lithosphere}} - land \newline % Row Count 2 (+ 1)
~{\bf{Hydrosphere}} - water  \newline % Row Count 3 (+ 1)
~{\bf{Biosphere}} - living things \newline % Row Count 4 (+ 1)
~{\bf{Atmosphere}} - air \newline % Row Count 5 (+ 1)
{\bf{Layers from deepest to shallowest:}} \newline % Row Count 6 (+ 1)
~{\bf{Inner core}} - solid \newline % Row Count 7 (+ 1)
~{\bf{Outer core}} - liquid \newline % Row Count 8 (+ 1)
~{\bf{Mantle}} - lower-upper mantle is {\bf{asthenosphere}} and \newline % Row Count 10 (+ 2)
~uppermost part is {\bf{lithosphere}} \newline % Row Count 11 (+ 1)
~{\bf{Crust}} - lithosphere% Row Count 12 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Plate Tectonic Theory}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{Explains the {\bf{origins of continents and oceans}}, mountain ranges and {\bf{folded rocks}}, different rock types, earthquakes and volcanoes, and {\bf{continental drift}}. \newline % Row Count 4 (+ 4)
The earth's {\bf{{\emph{lithosphere}}}} is comprised of a number of large tectonic plates which have been slowly moving for 3.4 billion years.% Row Count 7 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Lithosphere}} - the rigid, outermost shell of the earth comprised of the crust and portion of the upper mantle.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Plate Motion}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Convection currents}} \newline % Row Count 1 (+ 1)
{\bf{1. Convection}}  \newline % Row Count 2 (+ 1)
Heat is generated in earth's core and {\bf{{\emph{convection}}}} causes it slowly rise through the mantle to the asthenosphere. \newline % Row Count 5 (+ 3)
{\bf{2. Ridge Push}} \newline % Row Count 6 (+ 1)
The intrusion of magma pushes plates away from the ridge and they float on the convection currents of the asthenosphere \newline % Row Count 9 (+ 3)
{\bf{3. Slab Pull}} \newline % Row Count 10 (+ 1)
The denser end of the plates sink into the subduction zone.% Row Count 12 (+ 2)
} \tn 
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Convection}} - Hotter rock moves upward while cooler rock sinks.}  \tn 
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\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Paleopeography}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Supercontinents:}} \newline % Row Count 1 (+ 1)
~ {\bf{Rodinia}} \newline % Row Count 2 (+ 1)
~ Proterozoic, 750 Ma \newline % Row Count 3 (+ 1)
~ {\bf{Pangea}} \newline % Row Count 4 (+ 1)
~ Permian, 255 Ma \newline % Row Count 5 (+ 1)
200 Ma ago, Pangea separated into pieces over millions of years due to tectonic activity.% Row Count 7 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Ma}} - Mega annum = 1 million years}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Tectonic Plate Boundaries}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Divergent}} - where plates divide \newline % Row Count 1 (+ 1)
Crust expands, elevates, and cracks; most located at oceanic ridges. \newline % Row Count 3 (+ 2)
Continental rifting occurs when asthenosphere rises and erupts, putting a rift in the plates \newline % Row Count 5 (+ 2)
{\bf{Convergent}} - where plates collide \newline % Row Count 6 (+ 1)
~ {\bf{Oceanic-Continental}} - occurs when a oceanic  \newline % Row Count 8 (+ 2)
~ plate collides with a continental plate; {\bf{{\emph{subduction}}}} of an  \newline % Row Count 10 (+ 2)
~ oceanic plate forms a line of volcanoes called  \newline % Row Count 12 (+ 2)
~ continental arc; shallow, deep earthquakes.  \newline % Row Count 14 (+ 2)
~ {\bf{Oceanic-Oceanic}} - deep trench forms at subduction \newline % Row Count 16 (+ 2)
~ zone; magma erupts and forms an island arc, landward  \newline % Row Count 18 (+ 2)
~ of trench; shallow deep earthquakes. \newline % Row Count 19 (+ 1)
~ {\bf{Continental-Continental}} - Intensely deformed \newline % Row Count 21 (+ 2)
~ mountain belts of pre-existing continental rocks. \newline % Row Count 23 (+ 2)
{\bf{Transform}} - where plates slide past each other \newline % Row Count 25 (+ 2)
Large horizontal fractures or faults in the crust;  \newline % Row Count 27 (+ 2)
earthquakes are common, volcanoes are not.% Row Count 28 (+ 1)
} \tn 
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\mymulticolumn{1}{x{8.4cm}}{{\bf{Subduction}} - portion of a tectonic plate sinks beneath another plate into earth's interior}  \tn 
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\begin{tabularx}{8.4cm}{X}
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\mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{The Wilson Cycle}}  \tn
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\mymulticolumn{1}{x{8.4cm}}{The Wilson Cycle is a model that describes the opening and closing of ocean {\bf{{\emph{basins}}}} caused by movement of the earth's plates. \newline % Row Count 3 (+ 3)
{\bf{OPENING PHASE}} \newline % Row Count 4 (+ 1)
{\bf{Stage A: Embryonic}} -  Uplifting; A plume of magma begins to thin a stable continental {\bf{{\emph{craton}}}}  \newline % Row Count 7 (+ 3)
{\bf{Stage B: Juvenile}} - Divergence; The continent has been separated into 2 continents and a {\bf{new ocean basin}} \newline % Row Count 10 (+ 3)
{\bf{Stage C: Mature}} -  Divergence; The ocean basin widens and the continents push away from the ridge; sediment accumulates along the divergent margins \newline % Row Count 14 (+ 4)
{\bf{CLOSING PHASE}} \newline % Row Count 15 (+ 1)
{\bf{Stage D: Declining}} - Convergent; A subduction zone forms and causes a change in plate motion direction; ocean basin remains under edge of one continent \newline % Row Count 19 (+ 4)
{\bf{Stage E: Terminal}} - Convergent; Remnant ocean basin subducts, continents about to collide. \newline % Row Count 21 (+ 2)
{\bf{Stage F: Suturing}} - Convergence and uplift; Collision of the 2 continental blocks occurs forming a mountain, closing the basin \newline % Row Count 24 (+ 3)
{\bf{Stage G}} - Mountains erode (peneplain) and tectonic stability returns% Row Count 26 (+ 2)
} \tn 
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\SetRowColor{LightBackground}
\mymulticolumn{1}{x{8.4cm}}{{\bf{Basin}} - bowl shaped depression in the earths surface formed by weather, erosion, and plate tectonic activity}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}