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X-WR-CALDESC:Events for ABDNHA
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DTSTART;VALUE=DATE:20260114
DTEND;VALUE=DATE:20260115
DTSTAMP:20260313T081855
CREATED:20251003T175722Z
LAST-MODIFIED:20251006T205409Z
UID:10000909-1768348800-1768435199@abdnha.org
SUMMARY:Borrego Rock & Gem Club (BRAG) Field Trip
DESCRIPTION:Like rocks? Join BRAG and meet other rockhounds! \nThe BRAG club field trip is every 2nd Wed\, meeting in the ABDNHA parking lot. \nNote: Field trips may start at 8:00 am or 9:00 am\, depending on the destination. We usually try to get back to Borrego around 3:00 pm.
URL:https://abdnha.org/activity/borrego-rock-gem-club-brag-field-trip/2026-01-14/
CATEGORIES:Club,Field Trip
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260124T084500
DTEND;TZID=America/Los_Angeles:20260124T123000
DTSTAMP:20260313T081855
CREATED:20251206T215505Z
LAST-MODIFIED:20251226T232137Z
UID:10000822-1769244300-1769257800@abdnha.org
SUMMARY:Field Trip: Ancient Lake Cahuilla - FULL (waitlist)
DESCRIPTION:Special Earth Science Series! \nFIELD TRIP IS FULL – PLEASE CALL ABDNHA at 760-767-3098 to get on waitlist \nLeader: John Peterson\, Hydrologist and Geologist \nApproximately 12\,000 years ago\, the Colorado River altered its course\, forming a massive prehistoric lake known as Lake Cahuilla\, which is now the Salton Sea.   The lake served as a vital resource for the Cahuilla\, Kumeyaay\, and Cocopah peoples. Over the centuries\, the lake filled and dried up many times. It last filled between 1731 and 1733. Hydrologist John Peterson will lead a half-day field trip to the Salton Sea\, where participants can explore the ancient lake’s remnants\, including visible “bathtub rings” and fishing traps. Meet at ABDNHA. General Public: $18\, Members: $12\, Volunteers: $10. Register online or at the Nature Center\, 760-767-3098.
URL:https://abdnha.org/activity/field-trip-ancient-lake-cahuilla/
LOCATION:ABDNHA Parking Lot\, 652 Palm Canyon Drive\, Borrego Springs\, CA\, 92004\, United States
CATEGORIES:Field Trip
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260125T090000
DTEND;TZID=America/Los_Angeles:20260125T150000
DTSTAMP:20260313T081855
CREATED:20251206T215505Z
LAST-MODIFIED:20251226T231945Z
UID:10000818-1769331600-1769353200@abdnha.org
SUMMARY:Field Trip: Geology of San Diego County’s Peninsular Ranges - FULL (waitlist)
DESCRIPTION:Special Earth Science Series! \nFIELD TRIP IS FULL – PLEASE CALL ABDNHA at 760-767-3098 to get on waitlist \nLeader: Geologist Don Barrie \nNote the  start and end locations detailed below. Don will lead the group on an exploration of the rocks along Sunrise Hwy.\, west of Borrego Springs. The rocks in this area comprise part of a regional geologic suite known as the Peninsular Ranges Batholith (PRB)\, which extends from southern Baja\, California\, northward into the Palm Springs area. We’ll meet near the intersection of Sunrise Hwy. and Interstate 8\, then follow Sunrise Hwy. into the Laguna Mountains\, stopping to examine rock exposures along the way. The last stop will be in Julian\, where the group will tour the Eagle/High Peak gold mine and learn about the gold rush in Julian during the 1870s. On the field trip\, we’ll discuss the geologic story of how the gold got into the rocks. During the gold mine tour\, we’ll learn how hard-rock miners got the gold out of the rocks. To register\, go to www.abdnha.org\, or call the Nature Center at 760-767-3098. General Public: $20\, Members: $14\, Volunteers: $10. Please note that an additional $14 entrance fee per person is required\, payable upon entry to the mine. \nStart and end locations details: 9:00 am – 3:00 pm\, Sun.\, Jan. 25\, ending at the Eagle-High Peak mine in Julian. Meet at 9:00 am along Sunrise Hwy. (County Rd. S1)\, about 1/4-mile north of the Interstate 8 Sunrise Hwy. exit\, in a dirt parking area along the east side of the road. Bring lunch and water. 2WD okay. Please check the local weather in Mt. Laguna and dress accordingly (it may be chilly). Carpooling is highly recommended. Heavy rain or snow cancels. The trip ends at the Eagle-High Peak Mine in Julian.
URL:https://abdnha.org/activity/field-trip-geology-of-san-diego-countys-peninsular-ranges/
CATEGORIES:Field Trip
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