97:
73:
can use a hand lens, acid bottle, and other tools to identify the individual minerals within an igneous rock. These minerals give the geologist an idea as to its composition. The size of the minerals shows how much time the crystals had to nucleate and grow. Large crystals indicate a longer amount
143:
101:
83:
69:, composition, and formation of igneous rocks can be observed in the field. In the field, a
8:
49:
that can explain how the rock formed and crystallized from a melt. It is a branch of
26:
79:
96:
75:
42:
17:
114:
30:
176:
How to get pressure and temperature from knowing which phases are present
41:
of igneous rocks, and the connections between these observations and the
66:
38:
70:
50:
34:
46:
170:
Clausius-Clapeyron with respect to # of phases that can be present
78:, igneous rocks that cooled slowly below the surface. Crystals in
54:
162:
a pyroxene quadrilateral (trapezoid) diagram might also be good
82:, or lavas, are often too small to see, even with the aid of a
185:
high pressure, high temperature laboratories doping of melts
156:
Most important probably olivine, some others, in T-X space
60:
173:Basic thermodynamics and kinetics with examples
74:of time for growth; this is characteristic of
142:Maybe start out simple with something like
180:
137:
95:
33:. It consists of the observation of the
108:
14:
146:- or maybe put this closer to intro.
23:
24:
194:
149:(phase diagrams & equations)
91:
61:Field studies of igneous rocks
13:
1:
159:Ternary diagrams of feldspars
29:' is the scientific study of
7:
10:
199:
53:, which is a sub-field of
144:Bowen's reaction series
102:petrographic microscope
84:petrographic microscope
181:Experimental petrology
105:
138:Theoretical petrology
99:
109:Igneous geochemistry
65:Many aspects of the
113:(check what is in
106:
27:Igneous petrology
190:
133:fluid inclusions
198:
197:
193:
192:
191:
189:
188:
187:
183:
152:Phase Diagrams
140:
111:
94:
80:extrusive rocks
76:intrusive rocks
63:
22:
21:
20:
12:
11:
5:
196:
182:
179:
178:
177:
174:
171:
164:
163:
160:
157:
139:
136:
135:
134:
131:
128:
127:trace elements
125:
124:minor elements
122:
121:major elements
110:
107:
93:
90:
62:
59:
43:thermodynamics
18:User:Babakathy
15:
9:
6:
4:
3:
2:
195:
186:
175:
172:
169:
168:
167:
161:
158:
155:
154:
153:
150:
147:
145:
132:
129:
126:
123:
120:
119:
118:
116:
103:
98:
89:
87:
85:
81:
77:
72:
68:
58:
56:
52:
48:
44:
40:
36:
32:
31:igneous rocks
28:
19:
184:
165:
151:
148:
141:
115:geochemistry
112:
88:
64:
25:
92:Petrography
166:Equations
67:mineralogy
39:mineralogy
71:geologist
51:petrology
35:chemistry
130:isotopes
47:kinetics
55:geology
16:<
45:and
37:and
86:.
117:)
100:A
57:.
104:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
