Will miss you Jack. David
Our thoughts and best wishes to Mary Jo, Russell, Jeff and Katrina plus grandchildren James and Molly - we will miss Jack. From all the volunteers and staff at the Princess Royal Fortress and National Anzac Centre.
A sad occasion to say good bye to my long term friend and business partner. We shared many influential moments and your prodigious geological map making skills will stand the test of time to the benefit of all in West Australia.
Our thoughts are with you Mary Jo and your boys and family.
Dear Mary Jo, Russell, Jeff, Katrina, James and Molly.
We wish we could be with all of you during this sad time to comfort each other and to remember all the fun times we shared together! We have over 55 years of happy memories with Jack. We will miss him so much but the memories will live on forever! We love each of you and pray that in time, the pain will lessen and the memories will outshine and bring happiness to each of your days!
All our love, Sue and Tom ❤️
Our condolences to Mary-Jo and all the family. Such a loss, Jack was a great guy and will be fondly remembered.
Farewell Jack. You enjoyed so much of the world and shared your interests and knowledge with so many. You made the world a better place. Thank you.
Our deepest sympathies to Mary Jo and the family. Dave & Heather
RIP Jack. Great geologist with his own brand of quirky humour. Sincerest condolences to Mary Jo and family.
Dear Mary Jo, Russell, Jeff, Katrina, James, Molly,
I was deeply saddened to hear of the passing of your husband and father Jack. Even though we were not close, separated by distance and time, I want you to know that my thoughts and prayers are with you and family during this difficult time. Losing a loved one is never easy and I hope you can find comfort in the memories you all shared together.
Please accept my heartfelt condolences.
With deepest sympathy,
Jack was a brilliant geologist who helped me through studies and social times at UWA. Regards and commiserations to all his family.
Jack was doing his PhD when I was at Uni. Loved his gentle smile and the odd encouraging words as I mastered birefringence etc. We met up at the Christmas lunch last year after 50 years and the smile and gentle humour were still all intact and we had a lovely chat. We have lost a true gentleman.
Dear Jack, Many thanks for your advice when I was a youngster mapping in the Teutonic Bore area in the early 1980s. Your field mapping and geological documentation remain as an everlasting legacy.
Jack was my first and last introduction to Yilgarn geology. His generosity and enthusiasm in sharing his knowledge of the Yilgarn made me the geologist I am, albeit one who left WA soon after to travel the world. I have always brought Jack with me in spirit and will continue to do so. Thank you Jack for inspiring a love of geology. You will be missed, though I know you live on in the many people whose careers you have inspired.
Our deepest sympathy to Mary Jo and sons on the sad loss of Jack ,friend and colleague of Alan’s over many years.
From Marie, Simon and Derek Marshall
I can still hear and see Jack like it was today telling a story in his most cheerful way. I have such fond memories of him that will last forever. My thoughts go out to all of you Mary Jo, Russell, Jeff, Katrina, James and Molly. Love to you all.
I had the privilege spending time with Jack in the field during a 2-3 year period in the early 1990’s while he mapped through the Cue, Dalgaranga areas of the Murchison Region in WA. I learnt so much by spending time with him. He will be missed. Condolences to Mary-Jo and all the family. Julian Goldsworthy and Deborah Lord
Jack, you were always ready to share your knowledge in a friendly and easy-going manner. The world has one less gentleman and one less tremendously capable field geologist. I am enriched for having known you.
My thoughts go out to Mary Jo and all the family in your loss.
Deepest sympathy to Mary Jo and family for the loss of Jack. He was a great friend and wonderful character. I keep fond memories of his dry humour and many robust discussions on geology and other things.
I was privileged to have known and shared a friendship with Jack. Jack was a shining light to so many geologists with his manifest intellect and willingness to share his considerable geological skills laced with his characteristic friendly nature. Some of his ex UWA geology colleagues were lucky in recent years to have Jack travel from his home in Albany to Perth to join us for a pre-Christmas lunch. Condolences to Mary Jo and family.
So sad to farewell Jack, a great geoscientist and a generous and personable gentleman. Jack's maps have been and will continue to be invaluable in mineral exploration.
We will miss you Jack.
Heartfelt condolences to Mary Jo and the family.
Jack and I were fellow PhD students in the 1970s; Jack was finishing and I was starting. Jack's mentoring of younger students was in his terrific attitude to studies (this is fun!) and to supervisors (they are not God!). His infectious smile, laughter and constant repartee and hospitality with (Mary Jo) have been a constant enjoyment over the last fifty years.
A big loss as an individual, scientist and a man who contributed greatly not only to science, but to the economy of Western Australia through his unmatched mapping of the Archean rocks of the Yilgarn.
Mark and Jacque Hagan
Seen from my perspective in industry in 1972, the world-class research of Jack and his close colleagues at CSIRO were influential in my joining this organisation.
Condolences to Mary Jo and family on the passing of Jack. Ray Smith.
I met Jack through Barry back in the mid-80s. To say that Jack was (and is) a legend in expanding the knowledge of the Yilgarn Craton is probably the biggest understatement of the century. He will be hugely missed and it was an honour to know him, and such a nice guy too. Condolences to Jack's family.
A fellow PhD student, a dear friend of 55 years, a brilliant geologist and someone who has the distinction of leaving an amazing legacy of detailed geological mapping unlikely to be bettered. A great contribution to WA geology and a friend to so many and advisor to so many others. Our deepest sympathy to Mary Jo, Russell, Jeffrey and family. He will be missed by many.
Cory and Gwynn Williams
Great to have known Jack from when he gave third year students at UWA enthusiastic advice whilst undertaking his PhD. He leaves a great legacy of his widespread and detailed mapping of Yilgarn geology.
An enthusiastic member of the Xmas lunch group. A pleasure to have known Jack over the years.
Condolences to Mary Jo and family.
I'm very grateful to have been able to get to know Jack in a small way over the past 6 years.
Quite simply his contribution to Archaean geology in WA and the body of work that is his legacy is beyond description.
Thank you for generously sharing your time, knowledge and advice all with your wonderful sense of humour and kindness. Deepest sympathies to all of Jack's family and friends.
You will be missed.
We'll miss you Jack, long time friend leaving lots of wonderful memories. Love & hugs to Mary Jo and the family. 💕💕
Jack, I will miss our conversations on obscure SBS war movies, fantasy trading cards and everything in between.
A true gentlemen who could bridge a generation gap with a few eloquent sentences.
Sincerest condolences to Mary Jo, Jeffrey, Russell and family.
Sorry to hear of your Dad's passing. I am a classmate that graduated with him from Delavan-Darien High School in Delavan in 1960. I, also, was one of the lucky ones that started school with your Dad from kindergarden all through high school graduation. Enjoyed the few times he was able to come back to the states for a couple class reunions. We have a lot of LOVE in our class for our classmates. Prayers & sympathies goes out to your family.
Jack was one of life's good guys. He was always prepared to explain, to help and teach.
His guidance and friendship at UWA in the late 1960s and early 70s taught me more about geology than anyone, and his attention to detail and yet his ability to see the big picture I still carry with me today.
I will miss the easy smile and sense of humour.
My sincere sympathy to Mary Jo and the family. I am part of the 1960 Delavan-Darien High School graduating class. I had come from a different school my sophomore year. Jack and I share the same last name. Everybody thought we were cousins, but we were not related. I wish we had been. We had fun with this. Joking around. I took him to a dance once. Sadie Hawkins. Really enjoyed spending time with him and Mary Jo at the class reunions they did attend. Jack was so fun and easy to get along with. He will be missed a lot.
After not seeing one-another for decades I was privileged to spend a short time with Jack in Melbourne a few years ago. I was struck anew by his humanity and extraordinary warmth. What a loss to his family and our community. Vale Jack.
I've had the pleasure and honor of knowing Jack since 5th grade in Delavan, Wisconsin.
Along with others, I called him "Fats" for several years...then, it became more and more apparent that JACK was better than the best of us and--in many areas--so much smarter than the rest of us, that the nickname was dropped.
I used to visit Jack in his creative hide-away, the family basement, along whose walls he had created a colorful fresco of dinosaurs. There, he also loved to polish and classify rocks he had collected (on Saturdays mainly). While from the ceiling, many of his beautifully handcrafted balsawood aircraft floated.
In high school, I had the good fortune of being Jack's table-mate during biology, where I strove to learn how to draw specimens as well as Jack always did.
On Sundays, we both attended the Methodist Youth Fellowship "MYF"; sang in the choir with several other high school classmates; and enjoyed ourselves during wholesome get-togethers.
After Jack went off to university...then worked for NASA, we lost touch for a time ...only to later resume years of friendly correspondence. We also caught up periodically, when Jack and Mary Jo--his beloved wife--visited the States.
His sudden death came as a shock to both me and my wife Sharon (who got to know Jack and Mary Jo fondly when they stayed with us for a pleasant week a few years ago).
During my lifetime, I won't ever know so brilliantly talented, unassuming, and helpful a bloke.
Here's to you, Old Mate!
And Loving Hugs around to Mary Jo and the Hallberg's!
Jack is part of our family; he will always be present with all of us. And as Jack would say, "I reckon he looks pretty good in that Hawaiin shirt."
Jack leaves an impressive legacy professionally and personally as a husband, father, and grandfather. He will always be missed. ♥¸.•**◦༄◦°˚°◦.¸¸彡彡
Bill & Melanie Parsons
To our Hallberg family - Our hearts are with you during this difficult time.
From what we’ve all read in these tributes, Uncle Jack was quite the jovial bloke. He also had a keen eye for geological detail and a gift for map making. So cool! We will always remember the toy animal figurines (Yowies) that Jack would send to Jasper. Rest in peace, Uncle Jack. And when you’re done resting, you'll have some new terrain to map.
Mike and Stephanie Barnes
A sad farewell to a wonderful field geologist. Jack’s help with mapping in the Murchison always treasured.
Condolences to Mary Jo and family,
To Mary Jo and family. I left a tribute here when it first became available but for some reason it wasnt published. Just so you know, myself and my girls all have fond memories of Jack and the fun times we all had whenever you visited us. Jack was great at sending us pictures which we all enjoyed.
I’m praying that our Lord grants you peace and comfort as you remember Jack. Love from your sister Anne!
Condolences to Mary Jo and her family. I only knew Jack through the odd story from family members. The good stories I heard reflected the good man that he was.
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