231:
147:
100:. The Pacific Plate moves northwest relatively to the North American one with speed of about 35–38 mm/year, with the majority of motion occurring during large
187:
226:
164:
144:
52:
90:
113:
32:
83:
79:
40:
171:
64:
60:
44:
151:
109:
97:
68:
220:
94:
36:
25:
125:
105:
56:
101:
21:
202:
189:
108:. The overlap of the plates is about 100 km wide and contains all major
121:
117:
78:
The San
Francisco Bay Area naturally subdivides the province into the
116:. The mountain ranges of the province are composed primarily of late
72:
48:
29:
67:
that discharge into the
Pacific. The province consists of
89:
The province is formed as an interaction between the
8:
232:Geography of the San Francisco Bay Area
137:
7:
51:, with a significant break in the
35:constitutes a barrier between the
14:
124:(less than 70 million years old)
227:Geologic provinces of California
18:Coast Range Geomorphic Province
120:(200 to 70 million years old)
1:
43:which trends northwest from
248:
20:is a portion of coastal
154:for San Francisco area
71:and the corresponding
53:San Francisco Bay Area
104:, with some aseismic
199: /
145:"Geology and Soils"
114:Northern California
47:to the border with
33:geomorphic province
150:2011-05-20 at the
84:South Coast Ranges
80:North Coast Ranges
41:San Joaquin Valley
65:San Joaquin River
239:
214:
213:
211:
210:
209:
204:
200:
197:
196:
195:
192:
179:
178:
176:
170:. Archived from
169:
161:
155:
142:
61:Sacramento River
45:Point Conception
247:
246:
242:
241:
240:
238:
237:
236:
217:
216:
207:
205:
201:
198:
193:
190:
188:
186:
185:
183:
182:
174:
167:
163:
162:
158:
152:Wayback Machine
143:
139:
134:
110:geologic faults
98:tectonic plates
69:mountain ranges
12:
11:
5:
245:
243:
235:
234:
229:
219:
218:
181:
180:
177:on 2003-12-09.
165:"3.10 GEOLOGY"
156:
136:
135:
133:
130:
91:North American
13:
10:
9:
6:
4:
3:
2:
244:
233:
230:
228:
225:
224:
222:
215:
212:
173:
166:
160:
157:
153:
149:
146:
141:
138:
131:
129:
127:
123:
119:
115:
111:
107:
103:
99:
96:
92:
87:
85:
81:
76:
74:
70:
66:
62:
58:
54:
50:
46:
42:
38:
37:Pacific Ocean
34:
31:
27:
26:United States
23:
19:
184:
172:the original
159:
140:
88:
77:
75:and basins.
17:
15:
206: /
126:sedimentary
106:fault creep
102:earthquakes
221:Categories
203:39°N 123°W
132:References
22:California
208:39; -123
148:Archived
128:strata.
122:Cenozoic
118:Mesozoic
39:and the
112:of the
95:Pacific
73:valleys
59:of the
55:by the
28:. This
57:basins
49:Oregon
30:orogen
194:123°W
175:(PDF)
168:(PDF)
191:39°N
93:and
82:and
63:and
16:The
223::
86:.
24:,
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.