317:
Corgne, Alexandre; Maury, René C; Lagabrielle, Yves; Bourgois, Jacques; Suarez, Manuel; Cotten, Joseph; Bellon, Hervé (2001-10-15). "La diversité des basaltes de
Patagonie à la latitude du point triple du Chili (46°–47° lat. S) : données complémentaires et implications sur les conditions de la
252:
Demant, Alain; Belmar, Mauricio; Hervé, Francisco; Pankhurst, Robert J.; Suárez, Manuel (1998-12-01). "Pétrologie et éochimie des basaltes de Murta : une éruption sous-glaciaire dans les Andes patagoniennes (46° lat. S.), Chili. Relation avec la subduction de la ride du Chili".
193:
has yielded ages of 900,000 - 850,000 years before present, some flows are too young to date and the relatively well conserved appearance suggest a
369:
21:
151:. The chemical composition is unlike that of other regional basaltic volcanoes, and reflects the influence of oceanic
73:, and have volumes of less than 1 cubic kilometre (0.24 cu mi). These landforms along with the presence of
349:
364:
354:
171:
359:
228:
233:
190:
101:
113:
81:
97:
8:
109:
331:
266:
93:
104:
volcanism north of the gap generated by the fast subduction of the older and colder
327:
262:
116:
volcanism south of the gap formed by the slow subduction of the younger and warmer
117:
295:
293:
280:
278:
276:
223:
183:
343:
152:
140:
36:
23:
290:
273:
198:
179:
148:
121:
105:
70:
65:
along the valleys of the Río Murta. These flows display columnar joints,
175:
136:
85:
74:
159:
132:
66:
62:
194:
163:
144:
89:
174:
were intruded into this basement and may have an origin in the
167:
128:
316:
299:
284:
80:
Volcanic activity in the region is in part influenced by the
55:
197:
age. 40 kilometres (25 mi) northwest of Río Murta lies
251:
124:
opened up and allowed the rise of alkali basalt magmas.
77:
indicate that the eruptions happened beneath glaciers.
320:
Comptes Rendus de l'Académie des
Sciences, Série IIA
255:
Comptes Rendus de l'Académie des
Sciences, Série IIA
247:
245:
243:
341:
158:The basement in the region is formed by various
120:. In between these two subduction processes, a
240:
189:The age of these flows is controversial.
342:
218:
216:
214:
61:The volcano consists of a complex of
13:
211:
166:sediments and volcanic rocks. The
14:
381:
96:. This point forms a gap in the
1:
332:10.1016/S1251-8050(01)01641-X
267:10.1016/S1251-8050(99)80053-6
204:
172:Northern Patagonian Batholith
7:
10:
386:
309:
370:Volcanoes of Aysén Region
201:, an active arc volcano.
229:Global Volcanism Program
234:Smithsonian Institution
191:Potassium-argon dating
131:with a low content of
102:Southern Volcanic Zone
84:, the point where the
350:Pleistocene volcanoes
114:Austral Volcanic Zone
82:Chile Triple Junction
365:Subduction volcanoes
127:Río Murta rocks are
98:Andean Volcanic Belt
110:South America Plate
33: /
355:Holocene volcanoes
300:Corgne et al. 2001
285:Corgne et al. 2001
94:Peru-Chile Trench
377:
360:Active volcanoes
335:
303:
297:
288:
282:
271:
270:
249:
238:
237:
220:
54:is a volcano in
48:
47:
45:
44:
43:
38:
37:46.17°S 72.708°W
34:
31:
30:
29:
26:
16:Volcano in Chile
385:
384:
380:
379:
378:
376:
375:
374:
340:
339:
338:
312:
307:
306:
298:
291:
283:
274:
261:(12): 796–797.
250:
241:
222:
221:
212:
207:
135:. They contain
118:Antarctic Plate
42:-46.17; -72.708
41:
39:
35:
32:
27:
24:
22:
20:
19:
17:
12:
11:
5:
383:
373:
372:
367:
362:
357:
352:
337:
336:
326:(7): 363–371.
313:
311:
308:
305:
304:
302:, p. 365.
289:
287:, p. 364.
272:
239:
209:
208:
206:
203:
184:Farallon Plate
15:
9:
6:
4:
3:
2:
382:
371:
368:
366:
363:
361:
358:
356:
353:
351:
348:
347:
345:
333:
329:
325:
321:
318:subduction".
315:
314:
301:
296:
294:
286:
281:
279:
277:
268:
264:
260:
256:
248:
246:
244:
235:
231:
230:
225:
219:
217:
215:
210:
202:
200:
196:
192:
187:
185:
181:
177:
173:
169:
165:
161:
156:
154:
153:asthenosphere
150:
146:
142:
141:clinopyroxene
138:
134:
130:
125:
123:
119:
115:
111:
107:
103:
99:
95:
91:
87:
83:
78:
76:
72:
68:
64:
59:
57:
53:
49:
46:
323:
319:
258:
254:
227:
199:Cerro Hudson
188:
157:
126:
108:beneath the
79:
71:pillow lavas
60:
51:
50:
18:
224:"Rio Murta"
180:Nazca Plate
149:plagioclase
137:phenocrysts
122:slab window
106:Nazca Plate
40: /
344:Categories
205:References
176:subduction
86:Chile Rise
75:palagonite
67:lava tubes
63:lava flows
28:72°42′29″W
25:46°10′12″S
160:Paleozoic
133:potassium
92:into the
90:subducted
52:Río Murta
195:Holocene
164:Mesozoic
310:Sources
178:of the
170:of the
168:plutons
145:olivine
129:basalts
100:, with
56:Chile
147:and
112:and
69:and
328:doi
324:333
263:doi
259:327
162:to
139:of
88:is
346::
322:.
292:^
275:^
257:.
242:^
232:.
226:.
213:^
186:.
155:.
143:,
58:.
334:.
330::
269:.
265::
236:.
182:-
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.