Wednesday, August 2, 2017

There will not be an August meeting

Instead,  Saturday, August 12, will be the club picnic which will be held at the same place as last year, Island Park, from 11:00 a.m to 2:00 p.m  The club will provide plates, utensils, napkins, cups, water, iced tea and fried chicken.  See you there.

Thursday, June 8, 2017

Newsletter June 8, 2017 

Meeting June 13th @ 7:00 p.m. at the Willamalane Adult Activity Center. 

We will present the scholarships to our two selected applicants at this meeting. 

Bring your Rock for show and tell. 

Our guest speaker will be Dave Blackwell, Senior Instruction / Advisor of Geology Club & AAPG. Dept of Earth Science, U of O. 

Those that went on the field trip to Central Point Museum had a great time. The trip was very enjoyable.

Upcoming events:

June 15 - 18 is the Prineville Pow Wow. Ken and Dixie will be camping at the Pow Wow. The day that the pow wow plans the field trip to Richardson Ranch is the day we go with Ken & Dixie to hunt rocks at other locations, Possibly Maury Mountain?. Dixie will notify club members by email when she knows the date. Anyone interested please call, text or email Ken and Dixie. 

June 19, - A field trip to Holleywood Ranch in Sweet Home has been planned for that Monday. Trish Adams will lead this field trip. We will meet at 9:35 at the Bob Keefer Center (formally the Willamalane Center), 250 S. 32nd in Springfield. We will LEAVE at 9:40. The ranch will expect us at 10:30. Dig fee is $1.00 a pound. NEW TRENCHES HAVE BEEN OPENED UP WITH AMAZING FINDS CONTINUOUSLY. There will be a sign-up sheet at our June 13th meeting. They need to know by the 14th approximately how many people will be coming so it's important to either sign up at our meeting or contact Trish.  This location will close near the end of this summer.

June 23 - 259:00 a.m - 6:00 p.m at the Jasper Grange will be a model train and Rock Show. Wayne will have tables set up and be selling rocks. If anyone else is interested in having a table there to sell please talk with Wayne at our June 13th meeting. 

June 23 - 25, Madras Pow-wow

July 10th will be our club field trip to Rock Castle & Cota's Lapidary in Lebanon. Trish Adams will lead this trip. They have great piles of rock for .50 cents a pound as well as Rocks at other prices. A BBQ lunch with be provided. This is a fun and relaxing time. There will be a sign-up sheet at our June 13th meeting. We will meet in the Shopko Parking lot at 9:30 and leave promptly at 9:35

July 22 is our field trip to Richardson's Ranch. This field trip will be led by Dean Burkhart. Information on departure time and maps to Richardson Ranch will be coming out soon. 

July 24 - our club will participate in the Willamalane Children's celebration at Island Park. The event is from 10 a.m. to 2 p.m. This is a long-standing event that our club has participated in. Needed for this will be four club members to volunteer their time from 9 a.m. to 2:30 p.m. This will involve setup, overseeing the children as they dig for a free Rock in containers of sand and clean up. There will be a sign-up sheet at our June 13th meeting. 

August 12, mark your calendar for our club picnic which will be held at the same place as last year, Island Park, from 11:00 a.m to 2:00 p.m. More details in our July newsletter. 

August 18 - Sept 4th - The Willamalane Rock Shop on C Street will be closed. 

*** Printed copies of the Newsletter *** 

With all of the effort put into sending printed copies of the newsletter, we'd like to clear the list of unnecessary copies being sent. We will send copies to active members with out email addresses on our roster.   If you're a member and not attended meetings but would still like to receive printed copies of the newsletter, please let Trish know.  541-517-3617 

Any questions or comments please contact Trish Adams, President, Springfield Thunderegg Rock Club 541-517-3617.                      

 Minutes from Last month's meeting:

Springfield Thunderegg Rock Club
Meeting Minutes - 5/9/2017
            A meeting of the Springfield Thunderegg Rock Club was called to order by President Trish Adams at 7:02 PM on May 9, 2017 in the Willamalane Adult Activity Center.
            Vice-President Rick Faber presided as Trish was unable to. Jennifer Wells was introduced and as a new guest was given a polished rock by Director Gary Nelson.
It was moved by Louella Larsen and seconded by Nadine Chapin that the Secretary’s report be approved as printed in the newsletter.
            Dean Burkhart recognized Bob Smith and Carma Schumann for their many years of service to the Club and presented them with Lifetime membership certificates.
Pat Hagner introduced her program on “What You Can See in Rocks” and invited members to come to her display table and look at the rocks. She had some identified and some for members to write down what they saw.        
            The meeting was suspended from 7:10 – 7:37 for a break for members to examine the rocks and to enjoy some refreshments.
            It was announced that the Board had voted to give $500 scholarships to Louden Garriott and Alex Brown from Springfield High School pending membership approval. It was moved by Bea Allen and seconded by Dana Downey to do this. Loudin  plans to Major in Marine Biology at the University of Oregon and then at the University of Hawaii. Alex  plans to major in Forest and Civil Engineering at Oregon State University. The motion was approved unanimously. Trish will present the scholarships at the high school and the checks will be given to the applicants at the June meeting if they can attend.
            Wayne Werder noted that a previous scholarship recipient, Sarah Mihulka, will be graduating Summa Cum Laude, with highest honors, which is with a GPA of 3.90 – 4.00, from Oregon Institute of Technology, Klamath Falls, June 17th. She will graduate with a double major of Biology Health Science and Clinical Laboratory Science. She has accepted a job with the FBI at their Medical Lab in Alaska. She will apply for Medical School to become a Pediatrician once she has 2000 hours of medical experience.
            Trish invited Club members to help at the Club table at the U of O Geology Club show May 17th at the Erb Memorial Union from 11 -7. Tom announced the Club field trip to the Crater Rock Museum in Central Point will be May 27th. Members who are going will be leaving at 8:00 from the Willamalane Adult Center parking lot. He also mentioned that the Davis Creek field trip will be in July or August.
            Rick displayed the Club patch that has been used for vests, etc. Our supply is exhausted and the membership was asked if there was interest in trying to secure a new supply. There was no interest expressed so they will be discontinued.
            Dean gave the Federation report mentioning the Federation annual meeting in Montana,
New member Ann Marie Jenkins was introduced and given a thunderegg from the Club by Rick. There were 25 members, and 2 guests at the meeting.We currently have 67 adults, 12 juniors  and 3 lifetime members for a total of 82.
            The meeting was adjourned at 8:24 PM.

Respectfully submitted,
Dean C. Burkhart, Secretary

Wednesday, June 7, 2017

Fwd: FIELD TRIP: Crater Rock Museum

Below are images from the field trip to the Crater Rock Museum in Central Point, OR, that exhibits a vast display of rocks, fossils, minerals, gems, petrified wood & Native American items.

In addition to a museum, the RoxyAnn Gem & Mineral Society have a work shop at the back of the museum that contains 11 large saws up to a 36 inch blades, 3 trim saws, 5 Genie/Titan grinder-polishers; 2 grinders, 2 Lortone polishers, 1 bull wheel, 1 drill, tumblers, 3 finishing wheels and more lapidary equipment.

This equipment is available to members after a  2 hour safety and introduction class.  Annual membership fees are $35 for a family, $30 per couple, $25 for a single.

L-R  Jack Moratto, VP of the RoxyAnn Gem & Mineral Society and Tom Hooker discuss a rock from the obsidian bin to the left. Rocks are sorted by type and are for sale by weight. Most of their rocks on display and the the backyard area (behind them) were donated by fellow rockhounds.                     

Tom sprays a rainbow obsidian to show its sheen to Mary Hooker

Inside the Crater Rock Museum in Central Paint, OR, Tom and Mary Hooker talk about  rock displays

An October, 1967 Gems and Minerals magazine writes about the rock roulette wheel on display at the museum.(see photo below).

Tom Hooker looks at a roulette wheel made and adorned with rocks.

Some of the attendees on the trip.

Friday, June 2, 2017

The UO Geology Club held a Rock and Mineral Show,  Wednesday May 17, 
from 11 a.m. to 7:30 p.m. at the EMU Ballroom.The Geology Club show
was to promote their club to the local school districts,  families and local rock 
and mineral clubs, raise funds for Club Outreach and field trip expenses. It 
also hoped to publicize the Earth Sciences Department to the Campus and 
Eugene/Springfield Communities. This was the first Rock and Mineral Show 
for the UO Geology Club.   

Springfield Rock Club president Trish Adams (l) talks with student(s) at the UO Geology Club Rock and Mineral show in mid-May.  

Springfield Rock Club officer Wayne Werder talks with UO students at UO Rock Show.

Steve O’Brien, Springfield Rock Club member talks with a student at the rock show at UO

Monday, May 1, 2017

May Meeting

Our next club meeting will be held May 9 at 7:00 pm.  at the Willamalane Adult Activity Center,
215 W. C St Springfield.   If you would like more information please contact Trish @

Friday, April 28, 2017

Friday, January 13, 2017

April News / Club Field Trips in 2017


Our April club meeting was held on Tuesday, April 11 at 7:00 p.m., at the Willamalane Adult Activity Center, 215 W. C St in Springfield. There was a show and tell table. The program  feature a rock that is referred to as Holley Blue.

An open discussion was held for pros and cons on our Rock Show. These ideas will be used to improve next years show which is scheduled to be held on Saturday and Sunday, April 7 and 8th , 2018.

The deadline to apply for the Springfield Thunderegg Rock Club’s Annual Scholarship award of $500 is quickly approaching. If you know any Springfield senior high school student who intends to pursue higher education in the fields of Earth Science or Geo Science please tell them about this scholarship. Applications are available at Thurston, Springfield or Gateway High Schools. Deadline is Friday April 28, 2017.

One of our club members, Nathan Faber, is one of six students on the Pleasant Hill robotics team. The teams name is Gromit's Grommets. Last month, the robotics team from Pleasant Hill High School won the state competition in Portland. The team was challenged to build a robot that can complete a series of challenges, like lifting a yoga ball and launching whiff balls into a target. "It's fun to say that you made something, programmed it, and designed it from scratch yourself," junior Nathan Faber said. "That's really something valuable." Each task is assigned a certain number of points. There, they did not win first place, but their score did set a new world record, with 315 points. The team did qualify to compete at the national competition in Houston this month.

This is a great year for rock hounds. Outlined in this newsletter are scheduled club field trips and some rock related upcoming events. There are additional field trips that have not been scheduled with a date that are listed at the end of this newsletter.

Living Rock MuseumBrownsville Historical Museum Saturday April 15.
Trish Adams will be leading this trip. Meet in Shopko parking lot at 10:00 a.m . Driving distance 30 minutes. Viewing and buying rock. Admittance donations. This is an amazing hand built rock building.
One Man’s private collection of cut & polished agates to form religious theme displays and also much information of The logging industry in this area. Side trip to Brownsville Historical Museum, many Native artifacts on display.

Cottage Grove's Earth Day Celebration Earth Day is Saturday April 22nd 10a-4p. They are offering a FREE 10x10 space for interested folks. You must provide you own table, chairs, canopy, etc. Be prepared for rain as it is April. Set-up will be 8:30-9:30 on Saturday. The event will begin at 10:00 a.m. and close at 4:00 p.m. Cottage Grove's Earth Day Celebration has 4 spaces for our club. Dean, Trish and Wayne have signed up for a space where we will sell their rocks. Our club has a space where we will need 2 club members to help at our club table. This space will have information about our club, two sand boxes for children to dig in, a display of a variety of rocks and a free rock for each child. There is one space available if any club member is interested.

Oregon Geo Fest is Saturday April 22 and Sunday April 23This show is held at 2100 West Broadway in Eugene in the large parking lot of 5 Elements Gem & Mineral shop. The show is 11 a.m. to 5 p.m. This is a family fun two day event with Free Admission. Featuring the Cascadia Meteorite Laboratory of the Portland State University displaying and identifying Meteorites. This show also features a Fossil dig , hands on gold panning, demonstrations, giveaways and prizes. There are vendor booths offering Gems, Minerals and Crystals from around the world. Our club will have a table with club information. We will need one or two club members at our club information table. There are several club members selling at this event. Tables are available to rent. For more information or to sign up for a table Contact Robert Wells @ 541-343-2201 or visit his Web site at

Veneta Elementary School will be holding their 6th annual Earth Day Celebration on Friday, April 28thfrom 11 AM to 2 PM. This celebration features approximately 20 booths where students can visit to learn about the world around them. Our club is dedicated to teaching students about rock and elementary students are fascinated by rocks. Veneta Elementary School has two 8' tables for our club. Our club will feature volcanic rock, two sand boxes for students to dig for rocks, a display of a variety of rocks from Oregon, information about our club and a free rock for each child. Will need 3 club members to help.
Plush, OR - Sunstone May 6th This is a club field trip lead by Tom & Dixie. Driving distance 4 1/2 hrs. Mine is open to public, pay to dig; or side trip to public free dig area. Camping or other up to you. Meet in Oakridge at Rays Food. at 8 a.m. This is a 1 to 3 day trip.

UO Geology Club Rock and Mineral Show
When: Wednesday May 17, 2017; 11:00am – 7:30pm
Where: EMU Ballroom – Free Admission
The Geology Club is going to put on an old fashioned rock and mineral show next term to:
promote Club Outreach to the local school districts, provide a Community Event to bring in families and local rock and mineral clubs, raise funds for Club Outreach and field trip expenses for the Club, and promote the Earth Sciences Department to the Campus and Eugene/Springfield Communities. We are still in the planning stages and would like to get an idea of the interest that the Community Rock and Mineral Clubs/Societies might have in participating to the event. The EMU Planning charges are the following:

$10 each: Non profit group (must be a registered 501(c)(3)organization) providing information only (no selling).

$30 each: Off campus group providing information only (no selling).

$40 each: Any off campus group selling items.

The Geology Club will pay for cost of a table for any Rock and Mineral Club that wants to have an informational table or display. Dealers will pay the full $40.00/table cost. If any club members have any interest in participating in this event, please contact me by April 11. EMU will be having a Planning on Friday April 14th to begin working on the layout for the EMU Ballroom and cannot guarantee space will be available after that. Our club will have a club information table and will need two club volunteers for this table. At this time there are 4 club members that have a table to sell at this event.

Prineville Pow-Wows June 15 - 18 Annual gatherings of clubs. There are many vendors at this Pow-Wow. Driving distance is 2.5 hours. Meet other Clubs, take field trips, exchange info., check out the Prineville and near by areas.

Maury Mtns (Ochoccos) June 17 This is a club field trip lead by Tom & Dixie. Free Dig. Driving distance 3 Hrs. Dry camping in National Forest. Take side trips Bring camping equipment if you plan to stay over. Will dig for Agatized rock and limb cast. Meet Ken & Dixie east of Prineville at their camp site at the Prineville Pow-Wow.


Madras Pow-Wow June 22 - 25. Annual gatherings of clubs. Driving distance is 2.5 hours. There are many vendors at this Pow-Wow. Meet other Clubs, take field trips, exchange info., check out Madras and near by areas.

Willamalane Children's Celebration 2017 Saturday July 29, 2017 10 a.m. - 2 p.m. Island Park, Our club has applied for a spot at this event. We will have a confirmation the beginning of July.


Any questions or comments send them to cadnshac2@comcast

Looking forward to see each of you at our Club Meeting

Trish Adms

Club Presdient / News editor

Field Trips
Pay Dig, View

Driving Distance (one Way)
Richardsons Ranch
early summer Tom
3 hrs
Pay to dig thundereggs or buy them; shop in large shop.
Possible side trips

Coast –Florence to Newport
July Ken & Dixie
Beach/River Collecting
2 hrs
Agate, rocks, shells, fossil shells. Frequent stops, easy access. Poss day use fee per vehicle
Calapooia River
Summer Gary
River walk,

1 hr
Family Day on private property to wade river & look for agates and petrified wood. Life vests for kids, Possible limited parking.
South Coast –Florence; South Sixes River?
Summer Wayne
Beach/River Collecting
3 hrs
Drive down southern coast, stop at South Sixes River for jasper and petrified wood. Day trip
Quartzville Area (Past Sweet Home)


River collecting
Poss gold panning

1.5 hrs
Scenic drive along Quartzville Rd with frequent stops to browse gravel bars, poss. find Dendrites at old rock quarry.
North Santiam River, Thomas Creek
Late Summer - Early Fall
River collecting

1.5 hrs
To be determined; poss river/creek gravel bars for jaspers and petrified woods.

Hollywood Ranch Petrified Wood
To be scheduled
PAY to Dig
1 hr
At Holly, dig petrified wood or buy it. Possible lunch in Sweet Home at A&W Rootbeer!
Joe Cota's Rock Castle
South of Lebanon

Rock Shop & Fossile dig Outing –free, buy rocks
1 hr
Fun day! Buy rough rock, browse Joe’s shop. Joe hosts a free hotdog roast, then drive to private property to dig for fossil shells.

Central Point Museum
Spring Tom
Viewing; admittance fee
2.5 hrs
A large display of minerals, can buy rough rock; Return trip stop for late lunch; or Optional side trips and/or Overnight.
See Crater Rock Museum website


Glass Butte Obsidian
Spring - early Summer? Tom
Free Dig; explore areas
4 hrs
A variety of obsidian; side trips out of La Pine, if over-nighting, accommodations up to you

February 14 is our next Rock Club meeting.

(Please note that the March meeting will be on the FIRST Tuesday in March. March 7th @ 7:00 pm)
February is an open group discussion, hands on meeting.

Have you ever touched or held a 70 million year of rippled slab, a 100 million year old slab from the Grand Canyon area, a 70 million year old green turtle shell, a 25 to 75 million year old fern fossil, 100 million year old salt crystals in sandstone or a piece of the crust of the earth? These and so much more will be at our January meeting. You might be the new owner of a piece of our earth!! 
Club Name Tag
We are now recognizing members that wear their club name tag or club patch to our general meetings. (preferably name tag) As a little incentive, we will have a drawing at each monthly meeting.  To have your name entered all you have to do is wear your name tag or club patch. Thank you Dean for this great idea! 

Dues! Dues! Dues!

Dues need to be paid for 2017! If your dues are not paid yet then they are past due. You can pay at our Jan 10th meeting or Mail to Springfield Thunderegg Rock Club P. O. Box 312 Springfield OR 97477. Dues are $14 for individuals and $20 for families. Please add $1 to dues for each junior member participating in Future Rockhounds of America program which starts in January. 

OUR ROCK SHOW was held on March 11th, 9:00 - 5:00 and March 12th, 2017 10:00 - 3:00
It was a great success.  We look forward to our show next year, Saturday and Sunday,
April 7 and 8th , 2018



Thursday, January 12, 2017


We are rockhounds, members of The Springfield Thunderegg Rock Club who get much enjoyment out of our healthy, outdoors hobby of rock collecting.  We also support each other in learning the skills of polishing and faceting the treasures we find.

Interested in becoming a member?
Contact  Trish

We welcome new members to our club.

Tuesday, December 27, 2016

Current Club information


Trish Adams President / Editor / Show Director
Rick Faber Vice President / Welcome Chairperson 
Dean Burkhart Secretary / Treasurer 
Nadine Chapin Sergeant of Arms / 50-50 / Membership

Wayne Werder       Trustee / Field Trip / Greeter / Lapidary Class
Pat Hagner          Trustee
Gary Nelson       Trustee

Karen Burkhart     Co-Show Director         
Bea Allen           Field Trip         
Tom Hooker       Field Trip / Show Case Director     
Carma Schumann      Door Prize Chairman      
Heather Woodsum       Field Trip / Future Rockhounds Director     

Ken and Dixie Schaafsma       Field Trip     


Thursday, December 1, 2016


The Many Shades of Obsidian
Obsidian is a naturally occurring, volcanic glass, the result of rapid cooling during it formation.
Bright & shiny when simply lying on the ground in it natural state, obsidian is hard to ignore. Anyone who spends time hunting for an Indian artifact is apt to come upon obsidian arrowheads.
With its lovely luster, reasonable hardness and abundance in the permanently chic color of black, obsidian is also a fine addition to the jewelry maker’s stone palette.
Not all obsidians are just some shade of black.A few are surprisingly patterned or colorful as well.Did you know that there’s a group of Italian islands that produce black obsidian flecked with white“blooms” that look like Oregon’s and Utah’s famous “flowering” or “snowflake”?Or that the “snowflakes” are a result of the obsidian’s gradual transformation into a crystalline rock?You might of know that but I bet your friends or customers won’t.

Alamasite also called peanut obsidian is sprinkled with 3-8mm diameter red “jaspery” little spheres set in a background of dark gray to black, somewhat perlitic.
Well known to gardeners as a soil conditioner and to builders as an insulator, perlite is gray obsidian characterized by concentric banding and innumerable concentric cracks. It is found locally in Alamos, Sonora Mexico.

Apache tears: One of the best known varieties of obsidian.Apache tears are small, residual nodules of transparent to translucent black obsidian weathered out of massive perlite.The most famous and popular locality is at Superior, Arizona.Apache tears can also be found in Rome, Oregon. In Rome Oregon you can see the tears pretty easily lying on top of the white perlite ground cover.

Double flow obsidian:So called by Oregon and California rockhounds because of the exceptionally
twisted and convoluted “flow lines” in the material. The earliest use of this term was found in early lapidary
business in Oregon around 1941. These slabs were offered in 2x3 inch pieces for about fifty cents each.

Fire obsidian:Fire obsidian shows vibrant interference colors on very thin, twisting bands, which may be the result of flow patterns before the material cooled.The best pieces are superb gemstones suitable for fine jewelry.
This type of obsidian presumably comes from the Glass Butte area in Oregon.We (certain club members) still have not been so lucky to find it.

Flame obsidian:Flame obsidian, like fire obsidian, has dramatic iridescent colors.This is a hard to find type obsidian, but some specimens have been found at Richardson’s Rock Ranch, formerly The Priday Ranch. I’ve been up to the ranch mines, but have not seen much obsidian.Has anyone else?

Mahogany obsidian:
An attractive reddish-brown variety. It apparently owes its attractive mahogany color to the oxidation of finely dispersed iron minerals, such as magnetite.This type is found at Glass Butt Oregon and Davis Creek California.
The club has been to both places and it is quite easy to find just lying on the ground.

Rainbow obsidian:Rainbow shows its spectral colors dramatically in the black obsidian.The colors apparently arise from interference effects stemming form the alignment of very tiny rods of the mineral hedenbergite. This type of obsidian is found at Glass Butt Oregon, but we (the club) like to go to the Davis Creek area in California for large specimens.

Snowflake obsidian:Also called flower or flowering obsidian, this high-contrast patterned material has been exploited as a gem since the mid 20th century.It is characterized by very small white spheres from a few millimeters or less to perhaps two centimeters across. The white snowflakes, often identified as cristobalite, a high-temp form of silica, are the results of the obsidian devitrifying or rearranging itself into a more orderly material than a glass: alkali feldspar is also an important component.

We all know there are lots of different names for obsidian.Not all are listed here but the ones that are listed are the most popular. Silver-lace or pink types of obsidian that we (the club) all know from the Glass Butt area, but there are still more. If you have a good spot that you have found gem worthy obsidian please let us all know.
(Lapidary Journal July 2010)

Saturday, April 27, 2013

   Our Club trip to Murray Mountain
April 27.2013

Tom Hooker, President
I know I will find the big one.


Bill Mayer I gonna dig till I find the big one.

Craig Ivei: I know somethings

Trish Adams & Darlyn Ivie
Hey over here!! Look at this one.

Bill Mayer I gonna dig till I find the big one