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ROCKS

Miscellaneous

• Family: None
• Region: None
• Mined At: Unspecified
• Raw Mineral: Yes
• Generic: No

Notes

(Richard Willis)

A rock is an aggregate of mineral grains and crystals formed by a temperature/pressure/time & motion continuum that is generally divided into three distinguishable major stagings for purposes of classification and thereby identification: igneous, sedimentary and metamorphic. Igneous rocks are the cooled solids of magma melts which surface (or move toward the surface, i.e., crust) via volcanic eruptions or continental motions. Sedimentary rocks are the settled fragments of Igneous rocks whi ch have surfaced, deposited and lithified by weathering and organic materials under low to moderate temperatures and pressures in locations ranging from mountain peaks to ocean floors. Metamorphic rocks are igneous and/or sedimentary materials which have undergone chemical and physical changes owing to forces of temperature, pressure, time and motion.
rock classifications
igneous
— plutonic
—— clinopyroxenite
—— dunite
—— harzburgite
—— iberzolite
—— olivine
—— olivine websterite
—— orthopyroxenite
—— websterite
—— wehrlite
— volcanic
—— alkali-silica
——— alkaline
——— sub-alkaline
————— tholeitic
————— calc-alkalic
——— per-alkaline
sedimentary
— terrigemous
—— detrital
——— wind-blown
——— weathering
——— proto-phylonian
——— glacial
— allochemical
— orthochemical
—— dynamic metamorphisms
—— contact metamorphisms
—— facies: sanidinite, pyroxenite-hornfels, hornblende-hornfels, albite-epidote-hornfels
—— regional metamorphisms
—— facies: zeolite, prehnite-pumpellyite, blueschist, eclogite, greenschist, amphibolite, granulite
metamorphic
— temperature/pressure/time paths
—– types
—— net-transfer reactions
—— exchange reactions
——– pro-grade metamorphisms
——– retro-grade metamorphisms
—– origins
——– hydrothermal metamorphisms
type samples
sedimentary: — arkose, — breccia, — calcite, — carbonate, — coal, — conglomerate, — dolomite, — pisolite, — tufa, — quiastolite, — quartzite
igneous: (plutonic) — anorthosite, — diorite, — gabbro, — granite, — monzonite, — nepheline-syenite, — peridotite, — pyroxenite, — sexite, — syenite
(volcanic) — basalt, — dacite, — leucitite, — nephelinite, — obsidian, — phonolite, — pumice, — rhyolite, — tephrite, — trachyte, — tuff
metamorphic: — illite, — chlorite, — schist, — gneiss, — amphibolite, — granulite, — eclogite, — marble, — hornblende
major rock-forming minerals (in singular) and mineral groups (in plural)
alkali feldspars — calcite — dolomite — gypsum — magnetite — pyrite — amphiboles — chlorites — epidotes — halite — muscovite — pyroxenes — anhydrite — chromite — feldspathoids — hematite — olivines — pyrrhotite — biotite — clay minerals — garnets — limonite — plagioclase feldspars — quartz
percentages of earth's crust: feldspars 51, quartz 12, pyroxenes 11, amphiboles 5, micas 5, clay minerals and chlorites 4.6, olivines 3, calcite and aragonite 1.5, magnetite 1.5, dolomite 0.5, others 4.9

Authors

• Richard Willis (Owner)

XML

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<material name="ROCKS" descrip="" generic="0" rawmineral="1" searchkey="" loi="0.00">
<notes>
<note>A rock is an aggregate of mineral grains and crystals formed by a temperature/pressure/time &amp;amp; motion continuum that is generally divided into three distinguishable major stagings for purposes of classification and thereby identification: igneous, sedimentary and metamorphic. Igneous rocks are the cooled solids of magma melts which surface (or move toward the surface, i.e., &lt;B&gt;&lt;I&gt;crust&lt;/I&gt;&lt;/B&gt;) via volcanic eruptions or continental motions. Sedimentary rocks are the settled fragments of Igneous rocks whi
ch have surfaced, deposited and lithified by weathering and organic materials under low to moderate temperatures and pressures in locations ranging from mountain peaks to ocean floors. Metamorphic rocks are igneous and/or sedimentary materials which have undergone chemical and physical changes owing to forces of temperature, pressure, time and motion.&lt;BR&gt;

&lt;B&gt;rock classifications&lt;BR&gt;
&lt;I&gt;igneous&lt;/I&gt;&lt;/B&gt;&lt;BR&gt;
&amp;#151; plutonic&lt;BR&gt;
&amp;#151;&amp;#151; clinopyroxenite&lt;BR&gt;
&amp;#151;&amp;#151; dunite&lt;BR&gt;
&amp;#151;&amp;#151; harzburgite&lt;BR&gt;
&amp;#151;&amp;#151; iberzolite&lt;BR&gt;
&amp;#151;&amp;#151; olivine&lt;BR&gt;
&amp;#151;&amp;#151; olivine websterite&lt;BR&gt;
&amp;#151;&amp;#151; orthopyroxenite&lt;BR&gt;
&amp;#151;&amp;#151; websterite&lt;BR&gt;
&amp;#151;&amp;#151; wehrlite&lt;BR&gt;
&amp;#151; volcanic&lt;BR&gt;
&amp;#151;&amp;#151; alkali-silica&lt;BR&gt;
&amp;#151;&amp;#151;&amp;#151; alkaline&lt;BR&gt;
&amp;#151;&amp;#151;&amp;#151; sub-alkaline&lt;BR&gt;
&amp;#151;&amp;#151;&amp;#151;&amp;#151;&amp;#151; tholeitic&lt;BR&gt;
&amp;#151;&amp;#151;&amp;#151;&amp;#151;&amp;#151; calc-alkalic&lt;BR&gt;
&amp;#151;&amp;#151;&amp;#151; per-alkaline&lt;BR&gt;
&lt;B&gt;&lt;I&gt;sedimentary&lt;/I&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151; terrigemous&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#151; detrital&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151;&amp;#151; wind-blown&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151;&amp;#151; weathering&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151;&amp;#151; proto-phylonian&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151;&amp;#151; glacial&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151; allochemical&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151; orthochemical&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151; dynamic metamorphisms&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151; contact metamorphisms&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151; facies: sanidinite, pyroxenite-hornfels,&lt;B&gt;&lt;I&gt; &lt;/I&gt;&lt;/B&gt;hornblende-hornfels, albite-epidote-hornfels&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151; regional metamorphisms&lt;B&gt;&lt;I&gt;&lt;BR&gt;
&lt;/I&gt;&lt;/B&gt;&amp;#151;&amp;#151; facies: zeolite, prehnite-pumpellyite&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;blueschist, eclogite, greenschist&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;amphibolite, granulite&lt;B&gt;&lt;I&gt;&lt;BR&gt;
metamorphic&lt;/I&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151; temperature/pressure/time paths&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#150; types&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#151; net-transfer reactions&lt;BR&gt;
&amp;#151;&amp;#151; exchange reactions&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#151;&amp;#150; pro-grade metamorphisms&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#151;&amp;#150; retro-grade metamorphisms&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#150; origins&lt;B&gt;&lt;BR&gt;
&lt;/B&gt;&amp;#151;&amp;#151;&amp;#150; hydrothermal metamorphisms&lt;B&gt;&lt;BR&gt;
type samples&lt;I&gt;&lt;BR&gt;
sedimentary: &lt;/I&gt;&lt;/B&gt;&amp;#151; arkose&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; breccia&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; calcite&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; carbonate&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; coal&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; conglomerate&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; dolomite&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; pisolite&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; tufa&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; quiastolite&lt;B&gt;&lt;I&gt;, &lt;/I&gt;&lt;/B&gt;&amp;#151; quartzite&lt;B&gt;&lt;I&gt;&lt;BR&gt;
igneous: &lt;/I&gt;&lt;/B&gt;&lt;I&gt;(plutonic) &lt;/I&gt;&amp;#151; anorthosite, &amp;#151; diorite, &amp;#151; gabbro, &amp;#151; granite, &amp;#151; monzonite, &amp;#151; nepheline-syenite, &amp;#151; peridotite, &amp;#151; pyroxenite, &amp;#151; sexite, &amp;#151; syenite&lt;BR&gt;
&lt;I&gt;(volcanic)&lt;/I&gt; &amp;#151; basalt, &amp;#151; dacite, &amp;#151; leucitite, &amp;#151; nephelinite, &amp;#151; obsidian, &amp;#151; phonolite, &amp;#151; pumice, &amp;#151; rhyolite, &amp;#151; tephrite, &amp;#151; trachyte, &amp;#151; tuff&lt;BR&gt;
&lt;B&gt;&lt;I&gt;metamorphic: &lt;/I&gt;&lt;/B&gt;&amp;#151; illite, &amp;#151; chlorite, &amp;#151; schist, &amp;#151; gneiss, &amp;#151; amphibolite, &amp;#151; granulite, &amp;#151; eclogite, &amp;#151; marble, &amp;#151; hornblende&lt;BR&gt;
&lt;B&gt;major rock-forming minerals (in singular) and mineral groups (in plural)&lt;BR&gt;
&lt;/B&gt;alkali feldspars &amp;#151; calcite &amp;#151; dolomite &amp;#151; gypsum &amp;#151; magnetite &amp;#151; pyrite &amp;#151; amphiboles &amp;#151; chlorites &amp;#151; epidotes &amp;#151; halite &amp;#151; muscovite &amp;#151; pyroxenes &amp;#151; anhydrite &amp;#151; chromite &amp;#151; feldspathoids &amp;#151; hematite &amp;#151; olivines &amp;#151; pyrrhotite &amp;#151; biotite &amp;#151; clay minerals &amp;#151; garnets &amp;#151; limonite &amp;#151; plagioclase feldspars &amp;#151; quartz&lt;BR&gt;
&lt;B&gt;percentages of earth\'s crust: &lt;/B&gt;feldspars 51, quartz 12, pyroxenes 11, amphiboles 5, micas 5, clay minerals and chlorites 4.6, olivines 3, calcite and aragonite 1.5, magnetite 1.5, dolomite 0.5, others 4.9&lt;BR&gt;


</note>
</notes>
</material>

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