Rang the Bell at 12:10
Pledge by Hanns Haesslein
4-way Test
Thought of the Day: Jim Fritzsche - In the Apollo visit of December 1972, Harrison Schmidt went to the moon. He found rocks. Artimus will go to the moon looking for water in the moon’s south pole. Of his Eagle lift-off from the moon, Buzz Aldrin said, “This has been far more than three men on a mission to the moon, more, still, than the efforts of a government and industry team; more, even, than the efforts of one nation. We feel that this stands as a symbol of the insatiable curiosity of all mankind to explore the unknown.”
Introduction of visiting Rotarians and Guests: We enjoyed the company of Bob Tilley from the Rotary Club of Point West, classification dentist, retired, and also our speaker Kurtis Burmeister PhD.
Tax and Accounting Minute: Jim Fritzsche - The Cohan rule (we learned about last week) is illegal for contemporaneous charitable expenses of $250 or more, and donations under $250 have to be supported by a bank record. Code section 274 says you must have proper documentation for all business travel and mileage. If you don’t, then the Cohan rule will be applied.
No Good Deed Goes Unpunished: Dave Jones and his wife chaperoned a group of youth to a Taylor Swift concert in Denver. Dave brought Swifty bracelets as a gift to Jim. There was a family wedding in their family vacation home during their visit as well. Dave donated $100 and became a bellringer.
Rotary News:
- Beer boat is this Sunday $45 per person leaving the Old Sac dock. May be postponed due to lack of committed members.
- ALS Walk will be held September 16th. We will have an ALS speaker September 30th and will take donations for the cause.
- Sept 28th is our tailgate party
- Tim and Carroll went to Tahoe Elementary on Saturday. The greenhouse sustained some damage in January from the high winds. The ridge cap is also gone. We will go August 26th at 8:00 am to repair it. We will also replace the irrigation system. Three people for the roof, three people for the irrigation system.
- Carmichael BBQ on Tuesday Sept 12th at 6:00 PM at Carol Bell’s home. The club will buy hamburgers and hot dogs and we will potluck sides. Family and friends are welcome.
Happy Dollars: Our guest Bob Tilley celebrated getting money back from the IRS. Dave Jones donated because the CA Legislature will go on recess September 15th.
Bell Ringers for 23/24 year at $100 with no immunity: Kevin Wilcox, Don Brodeur, Randy Smith, Bob Deering, Jack Kimmel, Tim Hayes, Dave Jones.
Speaker Today - Kurtis C Burmeister, PhD teaching at CSUS. As an intro bit, Jim Fritzsche talked about his love of the Geology of national parks, and said he loves Highway 70 which is a “treasury of geology.” Jim found himself in Edinburgh Scotland, waking up at 3:00 am with jet lag, pulled up Wiki, and learned about James Hutton born in 1726 who taught at the University of Edinburgh. He is known as the father of modern geology because he proposed that there is geologic time. Jim asked his family to visit “Hutton’s Section” with him in Holyrood Park next to downtown Edinburgh, where there are extinct volcanos. This famous “section” is a place where a sandstone bed was broken up and away by dolerite, a liquid magma that was being pushed into the sandstone. This discovery opened up the field of geology.
Our speaker Kurtis C Burmeister, PhD, California State University, Sacramento taught: James Hutton was the 1st person to recognize the possibility of deep time. He postulated that what we see when we go outside happened over a very long timespan.
Granite: There’s a relationship between magma (dolerite) and sandstone in the process of intrusion. When you see granite, you should ask what was there before it. As the pacific plate pushes under the north American plate in the process of subduction, ocean water is also dragged down with the land plate, first becoming steam and then plasma. Tall plasma pools are called Plutons; their energy pushes upward against the rocks in volcanic activity, and intrudes into the rock, melting, pulling, frying, and changing it. Plasma that makes it up to the surface cools as granite. The Sierra Nevada is granite, but metamorphic still exist in places, remnants of what was there before. The granite we see in Yosemite and the rest of the Sierra Nevada is newer, added through intrusion. You can’t get granite without subduction. The only place besides our planet you will find granite is Mars, because Mars had water.
After 10 years of work in a specific area of Lake Tahoe, Dr. Burmeister’s team was able to create a comprehensive map of the area. The oldest fossil ammonites in the Tuttle Lake Formation are 170 to 168 million years old. The youngest is at the Keith’s Dome pluton at 148 million years old. This change happening within 20 to 22 million years is a quick evolution.
Paleomagnetic analysis looks at the orientation of little magnetic grains in rocks. Their magnetic orientation shows the rocks in their study area haven’t been rotated or moved. Their orientation is only up/down.
The rocks in Grass Lake near South Lake Tahoe appear to be deformed but they are not. These provide a snapshot of what the rocks were like originally in South Lake Tahoe. The team examined how rocks are deformed, smashed, or pulled. They took a sphere model and looked at how it’s altered by smashing, studying the rocks and orientation the same way. They collected samples, took them to the lab, oriented them the same as they were in the field, and then cut them to study. The rocks in the Sierra Nevada were not deformed in the micro, but the macro looks deformed. They studied the deformation at a larger scale. In 19 different places in the field, Stereonet graphs showed the shape and orientation of the fabrics prove the rocks have not been deformed. They still have vertical axes. 1) volcanic arc evolved rapidly. 2) southern Mt. Tallac pendant is weakly deformed. The Grass Lake area is surprisingly undeformed, especially when compared to other Jurassic SN arc remnants. Lewie asked about our volcanoes, and how soon things might erupt. Dr. Burmeister answered that areas near the San Andreas Fault do not have subduction, so no volcanic activity, but areas north should expect more volcanic activity. He said Lassen is dying and areas south will not see eruptions. Jim Shaw asked about Mammoth. Dr. Burmeister said it’s in the boundary between a subduction area, it’s in a remelting of viscous rocks, and will have more of a Yellowstone kind of eruption.
Raffle: Hanns won the wine.
Next Week Program: Ray Ward will speak about membership for our club, and we are all encouraged to wear Hawaiian shirts and have a casual dress day.
Upcoming events:
Aug 20: Beer Boat Cruise at 1:40 Old Sac dock $45 ea
Aug 22: Breakfast at Ettore’s 7AM
Aug 23: Speaker Ray Ward, Marketing Membership for your Club, Hawaiian Shirt and Casual Dress Day
Aug 30: Club Assembly with an update from our Foundation by Bob Deering
Sept 6: Speaker Carolyn Curtis, “My recovery from Multiple Myloma Cancer”
Sept 12: Breakfast at Ettore’s 7AM
Sept 12: BBQ with Carmichael
Sept 13: Visit from Sidney Smith, District Governor
Sept 20: Speaker Sean Bianco “The Operas of Richard Wagner”
Sept 23: Fiesta at Jim Fritzsche’s house
Sept 27: Speaker Lucy Lu Roberts “Economic Development in the Sacramento Region”
Attendance: John Brown, Keith McBride, Maria Mengotti, Lewie Donhost, Jim Fritzsche, Hanns Haesslein, Dick Hall, Allison Hamaker, Tim Hayes, Kipp Johnson, David Jones, Amy Ruggles, Jim Shaw, Jerry Wright.
Meeting Concluded at 1:15
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