http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&action=history Revision history for this page on the wiki en MediaWiki 1.15.4 Sat, 18 Apr 2026 08:09:02 GMT http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=3050&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:07, 4 January 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[Earth Science]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">[</ins>[Earth Science]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <!-- diff generator: internal 2026-04-18 08:09:02 --> </table> Wed, 04 Jan 2012 16:07:33 GMT Kiso http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=3049&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:06, 4 January 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del style="color: red; font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&nbsp;</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[Earth Science]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>[Earth Science]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 9:</td> <td colspan="2" class="diff-lineno">Line 8:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and <del class="diffchange diffchange-inline">* </del>[[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and [[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and <del class="diffchange diffchange-inline">* </del>[[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and [[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock|Article of the igneous rock]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock|Article of the igneous rock]]</div></td></tr> <!-- diff generator: internal 2026-04-18 08:09:02 --> </table> Wed, 04 Jan 2012 16:06:38 GMT Kiso http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=3048&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 16:06, 4 January 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">[</del>[Earth Science]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>&#160;</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[Earth Science]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 9:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and [[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and <ins class="diffchange diffchange-inline">* </ins>[[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and [[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and <ins class="diffchange diffchange-inline">* </ins>[[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock|Article of the igneous rock]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock|Article of the igneous rock]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock#Classification|Chemical composition of igneous rock]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock#Classification|Chemical composition of igneous rock]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock#Mineralogical_classification|Mineralogical classification]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock#Mineralogical_classification|Mineralogical classification]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:|wikipedia:]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:<ins class="diffchange diffchange-inline">Igneous_rock#Classification</ins>|<ins class="diffchange diffchange-inline">Classification of igneous rock]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[</ins>wikipedia:<ins class="diffchange diffchange-inline">Category:Mineralogy|Rock-forming minerals]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:Category:Igneous_rocks|Minerals in igneous rocks and chemical formula]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:Mineral#Chemical_properties_of_minerals|Chemical properties of minerals</ins>]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== CAI Exercise ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== CAI Exercise ==</div></td></tr> <!-- diff generator: internal 2026-04-18 08:09:02 --> </table> Wed, 04 Jan 2012 16:06:24 GMT Kiso http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=3047&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:34, 4 January 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 8:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and <del class="diffchange diffchange-inline">* </del>[[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and [[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and <del class="diffchange diffchange-inline">* </del>[[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and [[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock|Article of the igneous rock]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[wikipedia:Igneous_rock|Article of the igneous rock]]</div></td></tr> <!-- diff generator: internal 2026-04-18 08:09:02 --> </table> Wed, 04 Jan 2012 15:34:25 GMT Kiso http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=3046&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:34, 4 January 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 8:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* <del class="diffchange diffchange-inline">add link here...</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* <ins class="diffchange diffchange-inline">[[wikipedia:Natural_disaster#Volcanic_eruptions|Volcanic eruptions]] and * [[wikipedia:Types_of_volcanic_eruptions|Volcanic product]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:List_of_landforms#Volcanic_landforms|Volcanic landforms]] and * [[wikipedia:Vulcanian_eruption|Vulcanian eruption]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:Volcano#Plate_tectonics|The Distribution of volcanoes]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:Igneous_rock|Article of the igneous rock]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:Igneous_rock#Classification|Chemical composition of igneous rock]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:Igneous_rock#Mineralogical_classification|Mineralogical classification]]</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins class="diffchange diffchange-inline">* [[wikipedia:|wikipedia:]]</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== CAI Exercise ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== CAI Exercise ==</div></td></tr> <!-- diff generator: internal 2026-04-18 08:09:02 --> </table> Wed, 04 Jan 2012 15:34:13 GMT Kiso http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=2826&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 04:42, 6 November 2011</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 8:</td> <td colspan="2" class="diff-lineno">Line 8:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Contents ==</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* <del class="diffchange diffchange-inline">ADD NEW LINK HERE</del>...</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* <ins class="diffchange diffchange-inline">add link here</ins>...</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== CAI Exercise ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== CAI Exercise ==</div></td></tr> <!-- diff generator: internal 2026-04-18 08:09:02 --> </table> Sun, 06 Nov 2011 04:42:00 GMT Admin http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I http://en.iwschool.org/wiki/index.php?title=Earth_Science/Petrology_and_Mineralogy_I&diff=2684&oldid=prev <p>Created page with &#39;<a href="/wiki/Earth_Science" title="Earth Science">Earth Science</a> ＞ <a href="/wiki/Earth_Science/Petrology_and_Mineralogy_I" title="Earth Science/Petrology and Mineralogy I">Petrology and Mineralogy I</a> * <a href="http://en.wikipedia.org/wiki/Earth_science" class="extiw" title="wikipedia:Earth science">Earth science (Wikipedia)</a> * [[wikipedia:Earth|Earth…&#39;</p> <p><b>New page</b></p><div>[[Earth Science]]<br /> ＞ [[Earth Science/Petrology and Mineralogy I|Petrology and Mineralogy I]]<br /> <br /> * [[wikipedia:Earth_science|Earth science (Wikipedia)]] <br /> * [[wikipedia:Earth|Earth (Wikipedia)]]<br /> * [[wikipedia:Geology|Geology (Wikipedia)]]<br /> <br /> == Contents ==<br /> <br /> * ADD NEW LINK HERE...<br /> <br /> == CAI Exercise ==<br /> <br /> * [[cai_en:GENEAR00010003|Go to CAI Exercise page]]<br /> <br /> <br /> <br /> [[en:Earth Science/Petrology and Mineralogy I]]<br /> [[ja:地学/岩石・鉱物分野I]]</div> Fri, 28 Oct 2011 00:51:47 GMT Admin http://en.iwschool.org/wiki/Talk:Earth_Science/Petrology_and_Mineralogy_I