The North American Craton: its tectonic growth and mineral endowment - Patrick Rowe
Ғылым және технология
Patrick Rowe gives an in-depth tour of the tectonic growth of the North American craton and the role that continental accretion plays in North American minerals and ore deposits.
Patrick holds several engineering degrees, all of which include a strong basis in geology and earth sciences. He worked at the Nevada Test Site for almost 25 years in mining and drilling operations for both weapons testing and waste disposal the Yucca Mountain high-level nuclear waste repository site. Patrick is considered one the world’s foremost experts in shaft drilling, and works for the Los Alamos National Laboratory as a Project Engineer.
Patrick has been collecting rocks and minerals for more than 40 years. He leads geology field trips for the Parajito Environmental Center and Future Rockhounds of America Pebble Pups Program. He is the currently the Vice-President for Field Trips for the Los Alamos Geological Society and has an impressive record of helping people and giving back to the community.
Presentation Topic
Patrick’s talk, Tectonic Growth of the North American Craton & Its Associated Basement Mineral Endowment, discusses the role that continental accretion plays in the availability of minerals forming ore deposits. His presentation pulls together the story of craton assembly and accretion from the Precambrian period (~2 billion years ago) to the present using a series of time-slice maps. He explains how this craton assembly and accretion has influenced our mineral endowment.
He helps us see mineral deposit systems in the context of whether they were formed (1) as part of the primary tectonic setting of basement domains, (2) by processes that thickened the original crust to form continental crust, or (3) in special cases, during multiple reactivations of crust and structures by younger, superposed orogenic events.
Its an amazing story, compressing billions of years into a very well organized presentation. Q&A begins at 41:22.
Patrick Rowe gave this talk at the June 7, 2023 meeting of the Mineralogical Society of the District of Columbia.
Пікірлер: 11
Very interesting but I had difficulty locating the cursor/pointer so did not find it easy to follow. Suggest using a larger cursor for future presentations. Thank you.
I am a beginning explorationist. Thank you for this amazing information!
I am a retired oil and gas explorationist. There was a question whether we used any of what was presented in our exploration efforts. The answer I heard suggested no, however, I did indeed use much of what was shown in the context that Pre-cambrian structural trends in fact propagated through time and their influence was seen in younger stratigraphy and oil and gas accumulations.
@donaldthompson5267
11 ай бұрын
Thank you James for your thoughtful reply. I will forward it to Patrick, the author.
@alicemiller3139
10 ай бұрын
I don’t know if it’s just me, but hard to follow the cursor as he points to various sections. Very interesting, but I got lost pretty quickly.
How did tectonics effect the viburnum trend dolomite in Missouri? Is that hydrothermal lead, zinc, gelana, chalcopyrite, sphalerite etc? The collision of Africa and the formation of mountains in Arkansas and the east coast?
Rock on, brother
The oil and natural gas moved along with the hydrothermal ground water. You don't find it where you should, you find it where it ended up at.
Was the answer to the question as to what happens to a spreading zone when it is subducted, I don't have a good answer? Would you revisit your answer and provide greater clarity?
Check your spelling!!! Creation!!!