562:
Morton, D.M. and Matti, J.C., A vanished late
Pliocene to early Pleistocene alluvial-fan complex in the northern Perris block, Southern California. In Conglomerates in Basin Analysis: A Symposium Dedicated to A.O. Woodford, (I.P. Colburn, P.L. Abbott and J. Minch, eds.), Pacific Section S.E.P.M.,
199:
354:
191:
504:
231:
472:
480:
441:. The southern Perris Block also includes the hills and mountains to the east and south of the Perris Plain, that with the Plains of Leon are all drained by the creeks tributary to the
311:
460:
59:
602:, JOHN S. SHELTON, DONALD O. DOEHRING and RICHARD K. MORTON, Pliocene-Pleistocene History of the Perris Block, Southern California, Geological Society of America Bulletin, 971
418:
332:
550:
Walter
Atheling English, Geology and Oil Resources of the Puente Hills Region Southern California, Geological Survey Bulletin 768, U.S. Government Printing Office, 1926.
500:
516:
207:
40:
1450:
173:
1734:
492:
101:
93:
1709:
496:
286:
and by several other ranges of mountains and hills. Above the San
Jacinto Basin, the northwest corner of the Perris Plain is drained by Sycamore Canyon and
1593:
287:
132:. The interior of the Perris Block has various low bedrock mountains, hills and bedrock plains with intervening sediment-filled valleys, that make up six
539:
520:
414:
271:
36:
1729:
1719:
1505:
243:
1515:
32:
1714:
306:
398:
321:
316:
117:
366:
263:
247:
464:
456:
434:
383:
344:
121:
1235:
1076:
438:
222:
The western side of the central Perris Block and across its width eastward south of the Santa Ana River, is bordered by the range of the
1598:
1071:
643:
675:
1636:
584:
409:
The Perris Block south of the Perris Plain and San
Jacinto Basin is characterized by the extension of the Perris Plain, the
1460:
579:. fig. 3 Regional geologic map (modified from Woodford et al, 1971. San Diego Association of Geologists. pp. 45, 46.
634:
172:
also did so before it was mined out of existence. These sediments under the Pomona and San
Bernardino Valleys form the
1665:
703:
1651:
1613:
1213:
540:
Earth
Resources Technical Report PREPARED FOR: RIVERSIDE PUBLIC UTILITIES BY: POWER ENGINEERS, INC, June 2010, p.3
1228:
1111:
639:
422:
865:
508:
488:
275:
611:
1342:
629:
452:
1641:
935:
782:
698:
156:. Here in the Pomona Valley and San Bernardino Valley it has been mostly buried by the sediments from the
1646:
1377:
1337:
668:
214:
that border the northeast edge of the Perris Block along the San
Jacinto Fault Zone to the Perris Plain.
290:
into the Santa Ana River. Below the San
Jacinto Basin, the Perris Plain is bounded on the south by the
1704:
1588:
1221:
1008:
840:
724:
50:
Structurally stable for millions of years, the Perris Block is an internally unfaulted, eroded mass of
1495:
1490:
1061:
1028:
998:
968:
895:
767:
757:
296:, which continues the plains of the Perris Block and by the mountains of the southern Perris Block.
1573:
1167:
1147:
1086:
1043:
1003:
915:
820:
1603:
1568:
1485:
1412:
1397:
1091:
1033:
1018:
988:
973:
930:
910:
850:
797:
1724:
1392:
1116:
1013:
661:
82:
16:
Central block of three major fault-bounded blocks of the northern part of the
Peninsular Ranges
1578:
1382:
1177:
1172:
1081:
1038:
993:
900:
890:
855:
719:
574:
442:
235:
187:
109:
97:
1292:
1106:
983:
945:
925:
880:
870:
835:
815:
792:
772:
752:
361:
8:
1608:
1442:
1332:
1327:
1302:
1284:
1187:
1101:
1096:
1066:
950:
830:
825:
777:
762:
747:
246:
on the west, south and east. They extend their ancient eroded surfaces eastward to the
1540:
1520:
1470:
1372:
1352:
1307:
1197:
1182:
1023:
978:
940:
920:
860:
787:
742:
599:
393:
326:
267:
223:
195:
86:
66:
44:
576:
Water for
Southern California: Water Resources Development at the Close of the Century
1583:
1500:
1432:
1387:
1362:
1347:
1269:
905:
885:
875:
845:
580:
157:
28:
1243:
1618:
1510:
1475:
1422:
1402:
1137:
1132:
349:
161:
129:
1550:
1530:
1525:
1455:
1407:
1317:
1247:
1192:
1142:
239:
169:
153:
133:
78:
63:
1427:
1274:
1162:
512:
484:
468:
448:
410:
340:
Mountains and hills of the Perris Block within the San Jacinto Basin include:
292:
251:
227:
113:
1698:
1680:
1667:
1560:
1480:
1465:
1417:
1367:
1357:
1312:
1202:
1152:
684:
430:
279:
183:
105:
136:
sculpted by the effects of the vertical oscillation of the block during the
1322:
476:
388:
373:
211:
203:
165:
487:. The west slope of the southern Magee Hills, and the north slope of the
1623:
1545:
1535:
1297:
378:
230:. Eastward, these mountains run to the south of the Santa Ana River to
141:
74:
24:
1255:
1244:
283:
51:
299:
Plains and Valleys of the Perris Block within the San Jacinto Basin:
73:
and underlie the valleys within it. It is bounded on the west by the
1251:
612:
U.S. Geological Survey Geographic Names Information System: Buck Mesa
70:
137:
125:
55:
254:, which they border on the west, southward to the Temecula Basin.
426:
176:
160:
as they rose over the last 2-3 million years. Exceptions are the
69:. These rocks compose various ranges of mountains and hills and
653:
89:
515:
or its tributaries, as are the south slopes of Red Mountain,
168:
that still rise above that deposition. The now obliterated
226:. They run southeastward along the Elsinore Trough to the
152:
The northern part of the Perris Block lies north of the
495:
or its tributaries, another Murrieta Creek tributary.
108:. To the south, the Perris Block is bounded by the
190:and northeastward of them, across the canyon of
1696:
572:
1735:Geography of San Bernardino County, California
1229:
669:
558:
556:
39:to the east. The Perris Block, was named by
1710:Geology of San Bernardino County, California
455:(south of Diamond and Domenigoni Valleys),
1599:Rescue Lineament-Bear Mountains fault zone
1236:
1222:
676:
662:
553:
1730:Geography of Riverside County, California
1720:Geology of Los Angeles County, California
644:United States Department of the Interior
404:
147:
47:, located near the center of the block.
1715:Geology of Riverside County, California
217:
1697:
566:
1217:
657:
92:. It is bounded on the north by the
1461:Clayton-Marsh Creek-Greenville Fault
616:
182:East of the Santa Ana River lie the
124:sedimentary basins that lie between
31:. The Perris Block lies between the
23:is the central block of three major
635:Geographic Names Information System
198:, the range of mountains formed by
81:, on the east and northeast by the
13:
421:, the upper part of the valley of
14:
1746:
1157:
683:
507:the west and south slopes of the
1614:Sierra Nevada-Great Valley Block
640:United States Geological Survey
257:
622:
605:
593:
544:
533:
270:, is drained primarily in the
1:
1343:Northridge Blind Thrust Fault
526:
60:Southern California Batholith
1642:California Geological Survey
413:that includes within it the
27:of the northern part of the
7:
1647:Seismic Hazards Mapping Act
1378:San Diego Trough Fault Zone
10:
1751:
1589:Maria fold and thrust belt
242:and partially enclose the
1632:
1559:
1496:Mount Diablo Thrust Fault
1491:Mendocino Triple Junction
1441:
1283:
1262:
1125:
1052:
959:
806:
733:
712:
691:
445:into the Temecula Basin.
1574:Furnace Creek Fault Zone
1168:San Bernardino Mountains
573:Greg T. Cranham (1999).
563:1989, Vol. 62, p. 73-80.
517:Little Cahuilla Mountain
459:, the western slopes of
43:in 1925 for the city of
1604:Sierra Nevada Batholith
1569:Death Valley Fault Zone
1486:Mendocino Fracture Zone
1413:Sierra Madre Fault Zone
1398:Santa Maria River Fault
1338:Newport–Inglewood Fault
278:watershed flowing into
1681:33.85250°N 117.25528°W
1451:Bartlett Springs Fault
1393:San Jacinto Fault Zone
174:Inland Santa Ana Basin
83:San Jacinto Fault Zone
1579:Honey Lake Fault Zone
1383:San Felipe Fault Zone
1178:San Jacinto Mountains
1173:San Bernardino Valley
493:Santa Gertrudis Creek
481:Santa Gertrudis Creek
443:Santa Margarita River
405:Southern Perris Block
236:Box Springs Mountains
188:Box Springs Mountains
148:Northern Perris Block
110:San Felipe Fault Zone
98:San Bernardino Valley
1686:33.85250; -117.25528
1293:Brawley Seismic Zone
362:Domenigoni Mountains
282:, that is dotted by
238:. They enclose the
218:Central Perris Block
102:San Jose Hills Fault
94:Cucamonga Fault Zone
35:to the west and the
25:fault-bounded blocks
1677: /
1609:Sierra Nevada Fault
1443:Northern California
1333:Laguna Salada Fault
1328:Imperial Fault Zone
1303:Elsinore Fault Zone
1285:Southern California
1188:Santa Ana Mountains
1112:San Antonio Heights
497:Billy Goat Mountain
234:, bordering on the
112:between it and the
1594:Owens Valley Fault
1541:Silver Creek Fault
1521:San Gregorio Fault
1471:Hayward Fault Zone
1373:San Cayetano Fault
1353:Puente Hills Fault
1308:Elysian Park Fault
1245:Seismically active
1198:Temescal Mountains
1183:San Jacinto Valley
866:Desert Hot Springs
600:Alfred O. Woodford
423:Warm Springs Creek
394:Lakeview Mountains
327:San Jacinto Valley
288:Tequesquito Arroyo
268:uplifted peneplain
224:Temescal Mountains
196:Pigeon Pass Valley
134:erosional surfaces
87:San Jacinto Valley
1705:Peninsular Ranges
1660:
1659:
1584:Kern Canyon Fault
1501:Monta Vista Fault
1433:Yorba Linda Fault
1388:San Gabriel Fault
1363:Rose Canyon Fault
1348:Peninsular Ranges
1270:San Andreas Fault
1211:
1210:
586:978-0-916251-51-2
521:Cahuilla Mountain
483:, a tributary of
473:Bachelor Mountain
415:Domenigoni Valley
276:San Jacinto River
272:San Jacinto Basin
158:Transverse Ranges
41:Walter A. English
37:San Jacinto Block
29:Peninsular Ranges
1742:
1692:
1691:
1689:
1688:
1687:
1682:
1678:
1675:
1674:
1673:
1670:
1619:Smartville Block
1511:Pleasanton Fault
1506:Nacimiento Fault
1476:Healdsburg Fault
1423:White Wolf Fault
1403:Santa Ynez Fault
1263:Statewide Faults
1238:
1231:
1224:
1215:
1214:
1138:Cucamonga Valley
1133:Coachella Valley
1053:Cities and towns
960:Cities and towns
936:Twentynine Palms
807:Cities and towns
783:Rancho Cucamonga
734:Cities and towns
713:Principal cities
678:
671:
664:
655:
654:
648:
647:
630:"Murrieta Creek"
626:
620:
614:
609:
603:
597:
591:
590:
570:
564:
560:
551:
548:
542:
537:
453:Rawson Mountains
350:Bernasconi Hills
244:Riverside Valley
162:Jurupa Mountains
1750:
1749:
1745:
1744:
1743:
1741:
1740:
1739:
1695:
1694:
1685:
1683:
1679:
1676:
1671:
1668:
1666:
1664:
1663:
1661:
1656:
1628:
1555:
1551:West Napa Fault
1531:Seal Cove Fault
1526:San Pablo Fault
1516:Rinconada Fault
1456:Calaveras Fault
1437:
1408:Shoreline Fault
1318:Hollywood fault
1279:
1258:
1252:tectonic blocks
1242:
1212:
1207:
1193:Temecula Valley
1143:Elsinore Trough
1121:
1054:
1048:
961:
955:
808:
802:
735:
729:
708:
687:
682:
652:
651:
628:
627:
623:
617:
610:
606:
598:
594:
587:
571:
567:
561:
554:
549:
545:
538:
534:
529:
511:are drained by
491:are drained by
425:and connecting
407:
260:
240:Gavilan Plateau
232:Sycamore Canyon
220:
170:Slover Mountain
154:Santa Ana River
150:
79:Elsinore Trough
64:metasedimentary
33:Santa Ana Block
17:
12:
11:
5:
1748:
1738:
1737:
1732:
1727:
1722:
1717:
1712:
1707:
1658:
1657:
1655:
1654:
1649:
1644:
1639:
1633:
1630:
1629:
1627:
1626:
1621:
1616:
1611:
1606:
1601:
1596:
1591:
1586:
1581:
1576:
1571:
1565:
1563:
1557:
1556:
1554:
1553:
1548:
1543:
1538:
1533:
1528:
1523:
1518:
1513:
1508:
1503:
1498:
1493:
1488:
1483:
1478:
1473:
1468:
1463:
1458:
1453:
1447:
1445:
1439:
1438:
1436:
1435:
1430:
1428:Whittier Fault
1425:
1420:
1415:
1410:
1405:
1400:
1395:
1390:
1385:
1380:
1375:
1370:
1365:
1360:
1355:
1350:
1345:
1340:
1335:
1330:
1325:
1320:
1315:
1310:
1305:
1300:
1295:
1289:
1287:
1281:
1280:
1278:
1277:
1275:Salinian Block
1272:
1266:
1264:
1260:
1259:
1241:
1240:
1233:
1226:
1218:
1209:
1208:
1206:
1205:
1200:
1195:
1190:
1185:
1180:
1175:
1170:
1165:
1163:Plains of Leon
1160:
1155:
1150:
1145:
1140:
1135:
1129:
1127:
1123:
1122:
1120:
1119:
1114:
1109:
1104:
1099:
1094:
1089:
1084:
1079:
1074:
1069:
1064:
1058:
1056:
1050:
1049:
1047:
1046:
1041:
1036:
1031:
1026:
1021:
1016:
1011:
1009:Lake Arrowhead
1006:
1001:
996:
991:
986:
981:
976:
971:
965:
963:
957:
956:
954:
953:
948:
943:
938:
933:
928:
923:
918:
913:
908:
903:
898:
893:
888:
883:
878:
873:
868:
863:
858:
853:
848:
843:
841:Cathedral City
838:
833:
828:
823:
818:
812:
810:
804:
803:
801:
800:
795:
790:
785:
780:
775:
770:
765:
760:
755:
750:
745:
739:
737:
731:
730:
728:
727:
725:San Bernardino
722:
716:
714:
710:
709:
707:
706:
704:San Bernardino
701:
695:
693:
689:
688:
681:
680:
673:
666:
658:
650:
649:
621:
615:
604:
592:
585:
565:
552:
543:
531:
530:
528:
525:
513:Temecula Creek
485:Murrieta Creek
469:Tucalota Hills
457:Black Mountain
449:Tucalota Creek
419:Diamond Valley
411:Plains of Leon
406:
403:
402:
401:
396:
391:
386:
381:
376:
371:
370:
369:
359:
358:
357:
347:
338:
337:
336:
335:
333:Diamond Valley
329:
324:
319:
314:
309:
307:Menifee Valley
293:Plains of Leon
259:
256:
252:Plains of Leon
228:Temecula Basin
219:
216:
149:
146:
85:including the
67:basement rocks
15:
9:
6:
4:
3:
2:
1747:
1736:
1733:
1731:
1728:
1726:
1725:Inland Empire
1723:
1721:
1718:
1716:
1713:
1711:
1708:
1706:
1703:
1702:
1700:
1693:
1690:
1653:
1652:Mexico (list)
1650:
1648:
1645:
1643:
1640:
1638:
1635:
1634:
1631:
1625:
1622:
1620:
1617:
1615:
1612:
1610:
1607:
1605:
1602:
1600:
1597:
1595:
1592:
1590:
1587:
1585:
1582:
1580:
1577:
1575:
1572:
1570:
1567:
1566:
1564:
1562:
1561:Sierra Nevada
1558:
1552:
1549:
1547:
1544:
1542:
1539:
1537:
1534:
1532:
1529:
1527:
1524:
1522:
1519:
1517:
1514:
1512:
1509:
1507:
1504:
1502:
1499:
1497:
1494:
1492:
1489:
1487:
1484:
1482:
1481:Maacama Fault
1479:
1477:
1474:
1472:
1469:
1467:
1466:Concord Fault
1464:
1462:
1459:
1457:
1454:
1452:
1449:
1448:
1446:
1444:
1440:
1434:
1431:
1429:
1426:
1424:
1421:
1419:
1418:Ventura Fault
1416:
1414:
1411:
1409:
1406:
1404:
1401:
1399:
1396:
1394:
1391:
1389:
1386:
1384:
1381:
1379:
1376:
1374:
1371:
1369:
1368:Salton Trough
1366:
1364:
1361:
1359:
1358:Raymond Fault
1356:
1354:
1351:
1349:
1346:
1344:
1341:
1339:
1336:
1334:
1331:
1329:
1326:
1324:
1321:
1319:
1316:
1314:
1313:Garlock Fault
1311:
1309:
1306:
1304:
1301:
1299:
1296:
1294:
1291:
1290:
1288:
1286:
1282:
1276:
1273:
1271:
1268:
1267:
1265:
1261:
1257:
1253:
1249:
1246:
1239:
1234:
1232:
1227:
1225:
1220:
1219:
1216:
1204:
1203:Victor Valley
1201:
1199:
1196:
1194:
1191:
1189:
1186:
1184:
1181:
1179:
1176:
1174:
1171:
1169:
1166:
1164:
1161:
1159:
1156:
1154:
1153:Morongo Basin
1151:
1149:
1146:
1144:
1141:
1139:
1136:
1134:
1131:
1130:
1128:
1124:
1118:
1115:
1113:
1110:
1108:
1105:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
1063:
1062:Big Bear Lake
1060:
1059:
1057:
1051:
1045:
1042:
1040:
1037:
1035:
1032:
1030:
1029:Rancho Mirage
1027:
1025:
1022:
1020:
1017:
1015:
1012:
1010:
1007:
1005:
1002:
1000:
999:Grand Terrace
997:
995:
992:
990:
987:
985:
982:
980:
977:
975:
972:
970:
969:Big Bear City
967:
966:
964:
958:
952:
949:
947:
944:
942:
939:
937:
934:
932:
929:
927:
924:
922:
919:
917:
914:
912:
909:
907:
904:
902:
899:
897:
896:Lake Elsinore
894:
892:
889:
887:
884:
882:
879:
877:
874:
872:
869:
867:
864:
862:
859:
857:
854:
852:
849:
847:
844:
842:
839:
837:
834:
832:
829:
827:
824:
822:
819:
817:
814:
813:
811:
805:
799:
796:
794:
791:
789:
786:
784:
781:
779:
776:
774:
771:
769:
768:Moreno Valley
766:
764:
761:
759:
758:Jurupa Valley
756:
754:
751:
749:
746:
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685:Inland Empire
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431:French Valley
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417:and western
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399:Tres Cerritos
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355:Mount Russell
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345:Bell Mountain
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322:Perris Valley
320:
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317:Paloma Valley
315:
313:
312:Moreno Valley
310:
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303:Perris Plain
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281:
280:Lake Elsinore
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200:Blue Mountain
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184:La Loma Hills
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106:Pomona Valley
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58:rocks of the
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34:
30:
26:
22:
1662:
1323:Hosgri Fault
1158:Perris Plain
1087:Indian Wells
1044:Yucca Valley
1004:Home Gardens
916:Palm Springs
821:Apple Valley
633:
624:
618:
607:
595:
575:
568:
546:
535:
501:Oak Mountain
477:Lake Skinner
461:Red Mountain
447:
408:
389:Kalmia Hills
374:Double Butte
367:Searls Ridge
339:
298:
291:
264:Perris Plain
261:
258:Perris Plain
248:Perris Plain
221:
212:Kalmia Hills
204:Reche Summit
192:Spring Brook
181:
166:Pedley Hills
151:
49:
21:Perris Block
20:
18:
1684: /
1672:117°15′19″W
1624:Walker Lane
1546:Tesla Fault
1536:Serra Fault
1298:Chino Fault
1248:fault zones
1148:High Desert
1092:Joshua Tree
1034:Valle Vista
1019:Mead Valley
989:Canyon Lake
974:Bloomington
931:San Jacinto
911:Palm Desert
851:Chino Hills
798:Victorville
509:Black Hills
489:Black Hills
465:Magee Hills
435:Auld Valley
379:Hemet Butte
194:and of the
142:Pleistocene
75:Chino Fault
1699:Categories
1256:California
1117:Wrightwood
1072:El Cerrito
1014:Loma Linda
527:References
427:tablelands
384:Hules Hill
284:monadnocks
208:Olive Hill
71:monadnocks
54:and older
52:Cretaceous
1669:33°51′9″N
1082:Highgrove
1055:under 10k
1039:Woodcrest
994:Crestline
901:Montclair
891:La Quinta
856:Coachella
720:Riverside
699:Riverside
505:Round Top
439:Buck Mesa
96:, in the
1637:Category
1107:Romoland
1077:Oak Glen
984:Calimesa
946:Wildomar
926:Redlands
881:Highland
871:Eastvale
836:Beaumont
816:Adelanto
809:25k–100k
793:Temecula
773:Murrieta
753:Hesperia
692:Counties
479:then to
331:Eastern
250:and the
210:and the
126:Temecula
114:Temecula
56:granitic
1126:Regions
1102:Needles
1097:Mentone
1067:Cabazon
962:10k–25k
951:Yucaipa
831:Barstow
826:Banning
778:Ontario
763:Menifee
748:Fontana
177:aquifer
118:Aguanga
104:in the
1024:Muscoy
979:Blythe
941:Upland
921:Perris
861:Colton
788:Rialto
743:Corona
583:
467:, the
463:, the
274:, the
120:, and
90:graben
45:Perris
906:Norco
886:Indio
876:Hemet
846:Chino
736:100k+
475:into
266:, an
144:era.
1250:and
581:ISBN
519:and
471:and
437:and
262:The
164:and
138:Plio
130:Anza
128:and
122:Anza
100:and
77:and
62:and
19:The
1254:of
429:,
1701::
642:,
638:.
632:.
555:^
523:.
503:,
499:,
433:,
206:,
202:,
186:,
179:.
140:-
116:,
1237:e
1230:t
1223:v
677:e
670:t
663:v
646:.
589:.
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