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July 28 – August 1 - 9:00 a.m. – 3:00 p.m. Details TBA.

Earth and Space Science Week for Youth, St. Xavier Cathloic School, Gettysburg, PA,

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August 5th, 2025 6:00 – 7:00 p.m.

“Earthquakes and Volcanoes for Kids”

Sweet Arrow Lake County Park Pavilion, Pine Grove, PA,

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September 15, 2025 9:00 a.m. 4:00 p.m

Geology of the Gettysburg Battlefield bus trip for the Spring Grove Area

Historical Preservation Society. Call the SGAHPS to register at 717-225-0732.

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October 9, 2025 1:00 – 2:30 p.m.

Geology Hike at Richard Nixon County Park, Jacobus, PA for OLLI – Penn State York

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October 16, 2025 - 1:00 – 2:30 p.m.

Geology Hike at Susquehanna Riverlands State Park, Hellam, PA for OLLI

– Penn State York,

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October 23, 2025 1:00 – 2:30 p.m.

 Geology Hike at the York County Heritage Rail Trail, Glatfelter Station

Parking Lot for OLLI – Penn State York

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Past Events

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January 7, 2025 - 7:00 p.m.

 Zoom Rock Room – Penn Dixie Fossil Pit, Hamburg, NY with Dr. Phil Stokes.

Send an invite request to jonesgeo@comcast.net.

40 people in attendance.​

 

January 21, 2025 - 7:00 p.m.

“Your Backyard Geology” for the Spring Grove Area Historical Preservation Society

St. Paul’s Lutheran Church

11 people in attendance.

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January 28, 2025 - 11:00 a.m.

“My Favorite Three Geologists” for the Penn State York OLLI program

27 people in attendance.

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February 4, 2025 - 7:00 p.m.

Zoom Rock Room – The Tewksbury, NJ Earthquakes” with Greg Herman 

Send an invite request to jonesgeo@comcast.net.  

28 people in attendance.

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February 8, 2025 - 12:00 p.m.

“Gold in Southeastern Pennsylvania and northern Maryland”

for the Mason Dixon Gold Prospectors,

Perkins Restaurant, Hanover, PA​

29 people in attendance.

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February 18, 2025 - 7:00 p.m.

Zoom Rock Room – “Gold in the Middle Atlantic States” with Jeri Jones

Send an invite request to jonesgeo@comcast.net

29 people in attendance.

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March 4, 2025 - 11:00 a.m.

“Geology of the Gettysburg Campaign” for the Penn State York OLLI program

31 people in attendance.

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March 4, 2025 - 7:00pm

 Zoom Rock Room – “How to Identify Rocks and Minerals” with Jeri Jones

Send an invite request to jonesgeo@comcast.net​

29 people in attendance.

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March 11, 2025

“Your Backyard Geology” for the Homewood Home Men’s Group, Hanover, PA.

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March 13, 2025 - 6:00 – 6:30 p.m. via Zoom.

 “Geology of York County” for the York County Master Watershed Program.

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March 18, 2025 7:00pm – Zoom Rock Room

“What Good are Lichens and Mosses” with Renae

Weidner. Send an invite request to jonesgeo@comcast.net

29 people in attendance.​

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March 31, 2025 - 10:00 a.m.

“Geology of York County” for the York College of PA Geography class

24 people in attendance

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March 31, 2025 - 2:00 – 4:30 p.m.

Field Trip to Chickies Rock, Lancaster County for the York College of PA Geography class

30 people in attendance

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April 1, 2025 - 11:00 a.m.

“Geology of the York County Parks” for the Penn State – OLLI program

17 people in attendance

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April 1, 2025 – Zoom Rock Room 7:00p.m.

“Show and Tell Night” with Jeri Jones.

Send an invite request to jonesgeo@comcast.net

17 people in attendance

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April 6, 2025 - 2:00 – 4:00 p.m.

“Your Backyard Geology” for the York Springs Historical Society Annual Meeting

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April 8, 2025 - 11:00 a.m.

“Geology of the York County Parks” for the Penn State – OLLI program​

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April 10, 2025 - 7:00 p.m.

Geology of the Gettysburg and Hanover battles for the

Warehime-Myers Mansion, Hanover, PA  ​

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April 15, 2025 - 7:00 p.m. – Zoom Rock Room

“The Master Watershed Steward Program” with Jodi Sulpizio, 

Send an invite request to jonesgeo@comcast.net

22 people in attendance

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May 1, 2025 - 7:00 p.m.

“Your Backyard Geology” for Buttonwood Nature Center,

Church of the Apostles, Waynesboro, PA 7:00 p.m.

28 people in attendance

 

May 3, 2025 - 8:15 a.m. – 6:00 p.m.

Bus Field Trip with Buttonwood Nature Center

to the #9 Coal Mine Tour and Fossil Collecting to New Ringgold, PA,

(Call Buttonwood to register at 717-762-0373).

44 people in attendance

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May 5, 2025 - 9:00 a.m. 3:00 p.m.

Geology and Mining History of southwestern York County Bus Trip for the

Spring Grove Area Historical Preservation Society

Call the SGAHPS to register at 717-225-0732.

34 people in attendance

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May 6, 2025 - 7:00 p.m. Zoom Rock Room

 “Nature Quiz Night”. Send an invite request to jonesgeo@comcast.net .

19 people in attendance

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May 13, 2025 - 11:00 a.m.

“The Dillsburg Earthquake Swarm” for the Penn State – OLLI program

8 people in attendance

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May 20, 2025 - 7:00 p.m. Zoom Rock Room

“What’s New in South Mountain Geology” with Jeri Jones

Send an invite request to jonesgeo@comcast.net

19 people in attendance

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May 22, 2025 – 7:00 p.m 

“Radon in Pennsylvania”

for the Lancaster County Fossil and Mineral Club, Mountville, PA.

22 people in attendance.

 

May 28, 2025 – 7:00pm  

“Geology of York County”

program for the Southern York County Recreation

Commission, Shrewsbury Township Building

9 people in attendance.​

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June 3, 2025 – 7:00pm Zoom Rock Room

“Klondike Gold Rush” with Paul Fagley.
Send an invite request to jonesgeo@comcast.net

28 people in attendance

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June 7, 2025 - 11:00 a.m - 6:00 p.m.

Participant at the Codorus State Park ECO Event, Main Boat Launch Area,

 

 June 8, 2025 - 11:00 a.m. – 6:00 p.m.

Participant at the Codorus State Park ECO Event, Main Boat Launch Area

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June 10, 2025 – 6:00pm

Geology of Riverlands State Park walk,
Hellam Township, York County. Meet in main parking area.

6 people in attendance

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June 17, 2025 -- 7:00pm

Zoom Rock Room – “Geology of York County Parks” with Jeri Jones.

Send an invite request to jonesgeo@comcast.net

16 people in attendance

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June 18, 2025

Instructor for the Pennsylvania Teachers Workshop at

Codorus State Park, Hanover, PA.

15 people in attendance

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June 24, 2025 – 11:00 a.m.

“The Geology Along the Susquehanna River” for the Penn State – OLLI program

38 people in attendance

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June 28, 2025 – 3:00 p.m.

“How Old is the Susquehanna River?”

Columbia Crossroads Visitors Center, RiverFest 2025

25 people in attendance

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June 29, 2025 – 11:00 a.m

“Geology of Chickies Rock” walk for RiverFest 2025.

Meet at the Furnace Road Parking Area

11 people in attendance

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July 1, 2025 – Zoom Rock Room – 7:00 p.m.

“The Susquehanna River Petroglyphs” with Paul Nevin.

Send an invite request to jonesgeo@comcast.net .

22 people in attendance

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July 8, 2025 – 6:00 p.m.

Geology of Sam Lewis State Park walk, Wrightsville, PA.

5 people in attendance

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July 13, 2025 - 2:00 – 4:00p.m.

 “Fossils and Minerals” at Wallace-Cross Mill, Cross Roads, PA,

168 people in attendance

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July 14, 2025 - 9:00 a.m. 3:00 p.m.

Delta – The Slate Story bus trip for the Spring Grove Area Historical Preservation Society, Call the SGAHPS to register at 717-225-0732.​

18 people in attendance

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July 15, 2025 – 7:00 p.m.  

Zoom Rock Room – “Fracking and Earthquakes” with Joseph Lee.

Send an invite request to jonesgeo@comcast.net .

22 people in attendance