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@@ -5,7 +5,7 @@
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<div id="mainText">
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<div id="mainText">
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<h3 class="headings">Acknowledgements</h3><br><br>
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<h3 class="headings">Acknowledgements</h3><br><br>
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<p>
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<p>
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3DVOL has been been developed by Shane Frischkorn, Andy Bates, Christoph Shrank, Mark Barry, Linda Nothdurft, and Luke Nothdurft.
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3DVOL has been been developed by Shane Frischkorn, Andy Bates, Christoph Schrank, Mark Barry, Linda Nothdurft, and Luke Nothdurft.
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</p>
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</p>
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<br /><br />
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<br /><br />
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<p>3DVOL is funded by the QUT Teaching and Learning Unit and the School of Earth, Environmental, and Biological Sciences. QUT High Performance Computing provides technical support.
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<p>3DVOL is funded by the QUT Teaching and Learning Unit and the School of Earth, Environmental, and Biological Sciences. QUT High Performance Computing provides technical support.
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@@ -7,12 +7,12 @@
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<h1 class="subHeadings">Theory</h1>
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<h1 class="subHeadings">Theory</h1>
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<h2 class="theoryHeadings" id="bowensreactionseries">Bowen's Reaction Series</h2>
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<h2 class="theoryHeadings" id="bowensreactionseries">Bowen's Reaction Series</h2>
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<p>
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<p>
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Bowen's Reaction Series arranges the <a href="{% url 'three_d_viewer:theory_silicates' %}"><span>silicate minerals</span></a> in the order that they crystallize from magma. The minerals at the
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Bowen's Reaction Series arranges the <a href="{% url silicates_theory %}"><span>silicate minerals</span></a> in the order that they crystallize from magma. The minerals at the
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top of the series crystallize from the melt at higher temperature than those lower down. It contains a continuous series, (right hand limb), a
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top of the series crystallize from the melt at higher temperature than those lower down. It contains a continuous series, (right hand limb), a
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discontinuous series (left hand limb), and the residual phases, which are listed in their relative sequence of crystallization. The discontinuous
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discontinuous series (left hand limb), and the residual phases, which are listed in their relative sequence of crystallization. The discontinuous
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series describes the sequence of minerals that crystallize as the temperature of the magma decreases. The discontinuity of each of the
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series describes the sequence of minerals that crystallize as the temperature of the magma decreases. The discontinuity of each of the
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crystallization sequences reflects the different melting/crystallization temperatures of the minerals, and the change in composition of the
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crystallization sequences reflects the different melting/crystallization temperatures of the minerals, and the change in composition of the
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residual magma, as the early crystallizing phases are being fractionated from the melt. The continuous series always crystallizes <a href={% url 'three_d_viewer:'|add:plag.url plag.id %}>plagioclase</a>,
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residual magma, as the early crystallizing phases are being fractionated from the melt. The continuous series always crystallizes <a href={% url url_extender|add:plag.url plag.id %}>plagioclase</a>,
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but the composition of the plagioclase changes from more calcic (i.e. anorthite) at higher temperatures to more sodic (i.e. albite) as the
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but the composition of the plagioclase changes from more calcic (i.e. anorthite) at higher temperatures to more sodic (i.e. albite) as the
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temperature decreases. The compositional change during mineral growth can be recorded in compositional zoning of plagioclase
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temperature decreases. The compositional change during mineral growth can be recorded in compositional zoning of plagioclase
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crystals. The minerals at the bottom of Bowen’s reaction series crystallize last and are more stable,
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crystals. The minerals at the bottom of Bowen’s reaction series crystallize last and are more stable,
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@@ -23,7 +23,7 @@
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crystallize <a href={% url url_extender|add:quartz.url quartz.id %}>quartz</a>. Which minerals actually form, depend on many factors, such as the chemical composition of the melt, temperature,
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crystallize <a href={% url url_extender|add:quartz.url quartz.id %}>quartz</a>. Which minerals actually form, depend on many factors, such as the chemical composition of the melt, temperature,
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pressure, and amount of fractional crystallization. For example, basalts form from the crystallization of
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pressure, and amount of fractional crystallization. For example, basalts form from the crystallization of
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<a href={% url url_extender|add:olivine.url olivine.id %}>olivine</a>,
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<a href={% url url_extender|add:olivine.url olivine.id %}>olivine</a>,
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<a href={% url url_extenderadd:diopside.url diopside.id %}>pyroxene</a> and
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<a href={% url url_extender|add:diopside.url diopside.id %}>pyroxene</a> and
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calcic plagioclase, meaning that crystallization stopped without the series progressing. If more fractional crystallization
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calcic plagioclase, meaning that crystallization stopped without the series progressing. If more fractional crystallization
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were to occur, more intermediate and felsic minerals can crystallize.
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were to occur, more intermediate and felsic minerals can crystallize.
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<br/>
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<br/>
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@@ -8,7 +8,7 @@
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<h2 class="theoryHeadings" id="classification">Classification of Minerals</h2>
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<h2 class="theoryHeadings" id="classification">Classification of Minerals</h2>
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<p>
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<p>
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The classification of minerals is based on their chemistry. The following mineral classes are based on the character of their common anions:</p>
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The classification of minerals is based on their chemistry. The following mineral classes are based on the character of their common anions:</p>
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<li><p><a href="{% url 'three_d_viewer:theory_silicates' %}"><span>Silicates</span></a> (SiO<sub>4</sub><sup>4-</sup>)</p></li>
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<li><p><a href="{% url silicates_theory %}"><span>Silicates</span></a> (SiO<sub>4</sub><sup>4-</sup>)</p></li>
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<li><p>Oxides (O<sup>2-</sup>)</p></li>
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<li><p>Oxides (O<sup>2-</sup>)</p></li>
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<li><p>Sulfides (S<sup>2-</sup>)</p></li>
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<li><p>Sulfides (S<sup>2-</sup>)</p></li>
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<li><p>Sulfates (SO<sub>4</sub><sup>2-</sup>)</p></li>
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<li><p>Sulfates (SO<sub>4</sub><sup>2-</sup>)</p></li>
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@@ -19,7 +19,7 @@
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<li><p>Native elements, e.g. Au.</p></li>
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<li><p>Native elements, e.g. Au.</p></li>
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<p><br />
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<p><br />
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<img src="{% static "three_d_viewer/images/element abundance.png" %}" align="right" width="412" height="324">
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<img src="{% static "three_d_viewer/images/element abundance.png" %}" align="right" width="412" height="324">
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The relative abundance of elements in the Earth’s crust (see <a href="{% url 'three_d_viewer:theory_structure' %}"><span>Structure of Earth</span></a>) determines which minerals form.
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The relative abundance of elements in the Earth’s crust (see <a href="{% url structure_theory %}"><span>Structure of Earth</span></a>) determines which minerals form.
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Oxygen is the most abundant anion in the Earth’s crust.
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Oxygen is the most abundant anion in the Earth’s crust.
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Thus, the crust can be seen as a tight package of oxygen anions (O<sup>2-</sup>), which are bonded by larger cations,
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Thus, the crust can be seen as a tight package of oxygen anions (O<sup>2-</sup>), which are bonded by larger cations,
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such as Si<sup>4+</sup>, Mg<sup>2+</sup>, or Al<sup>3+</sup>.
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such as Si<sup>4+</sup>, Mg<sup>2+</sup>, or Al<sup>3+</sup>.
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@@ -13,7 +13,7 @@
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</figure>
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</figure>
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<br />
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<br />
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<p>The Earth's structure is differentiated in three distinct layers: the core, mantle, and crust. The layers are distinguished
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<p>The Earth's structure is differentiated in three distinct layers: the core, mantle, and crust. The layers are distinguished
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by a change in the velocity of seismic waves at their boundaries (? Seismic profile).
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by a change in the velocity of seismic waves at their boundaries.
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The crust is the upper most part of the earth, with
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The crust is the upper most part of the earth, with
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depths ranging from an average of 7 km in the oceans, to an average of 38 km in continental crust. The crust thickens underneath mountain
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depths ranging from an average of 7 km in the oceans, to an average of 38 km in continental crust. The crust thickens underneath mountain
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ranges, and can reach depths of 90 km underneath the Himalayas. The composition of the crust also differs between oceanic and continental
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ranges, and can reach depths of 90 km underneath the Himalayas. The composition of the crust also differs between oceanic and continental
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@@ -291,6 +291,9 @@ class TheoryTemplateView(generic.TemplateView):
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context['plag'] = Mineral.objects.filter(name='Plagioclase')[0]
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context['plag'] = Mineral.objects.filter(name='Plagioclase')[0]
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context['diopside'] = Mineral.objects.filter(name='Diopside')[0]
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context['diopside'] = Mineral.objects.filter(name='Diopside')[0]
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context['actinolite'] = Mineral.objects.filter(name='Actinolite')[0]
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context['actinolite'] = Mineral.objects.filter(name='Actinolite')[0]
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context['silicates_theory'] = 'three_d_viewer:theory_silicates'
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context['structure_theory'] = 'three_d_viewer:theory_structure'
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return context
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return context
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class ERB101TheoryTemplateView(generic.TemplateView):
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class ERB101TheoryTemplateView(generic.TemplateView):
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@@ -304,5 +307,8 @@ class ERB101TheoryTemplateView(generic.TemplateView):
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context['plag'] = Mineral.objects.filter(name='Plagioclase')[0]
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context['plag'] = Mineral.objects.filter(name='Plagioclase')[0]
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context['diopside'] = Mineral.objects.filter(name='Diopside')[0]
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context['diopside'] = Mineral.objects.filter(name='Diopside')[0]
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context['actinolite'] = Mineral.objects.filter(name='Actinolite')[0]
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context['actinolite'] = Mineral.objects.filter(name='Actinolite')[0]
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context['silicates_theory'] = 'three_d_viewer:erb101_theory_silicates'
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context['structure_theory'] = 'three_d_viewer:erb101_theory_structure'
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return context
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return context
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