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Ken Witherly
Job posting with Newmont
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Passing of Douglas MacQuarrie
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Sismos USGS - Subduccion - CHILE
Chile, o, una loca geografía ! 🔴 🔵 Estoy emocionado de compartir un modelo 3D realizado con #Leapfrog y #Central de los sismos registrados por USGS (1980-2024) en el margen occidental de América. La vista nos permite identificar el plano de subducción (Benioff) y la geología de Chile (Sernageomin, 1:1.000.000). Los invito…
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Bentley Awards
Olá pessoal, gostaria de convida-los a participar desta competição promovida pela Bentley, o Bentley Awards. Evento anual que reúne os melhores projetos de diversas áreas das geociências e Engenharias. Os participantes têm a oportunidade de mostrar seus fluxos de trabalho com soluções Seequent e/ou Bentley, ganhar prêmios…
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ETD 2025
The link below will take you to the latest ETD produced by DMEC. Hightail - Receive
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SEG Mining and Mineral Exploration (MME) committee meeting at PDAC
Dear colleagues, The PDAC is coming up soon! The MME committee will hold the second meeting during the PDAC, Toronto. For those who could not attend the meeting in person, a virtual component is also available. Please find the details below. In-person: Date: Wednesday 5th March Time: 8-9 am (ET) Location: 207 Queens Quay…
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Geophysical history
Colleagues One link provides access to information on a major collection of gravity meters. The other link leads to a great story about the use of magnetics in the mid-continent. Best/Ken Hightail - Receive
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[Leapfrog] Cómo añadir una imagen a una Superficie ( Mesh)
Objetivo: Tengo una imagen que quiero añadir / drapear sobre una malla en mi proyecto Leapfrog. Resolución: En el Árbol de proyectos, expanda la carpeta "Meshes", luego haga clic con el botón derecho del ratón en la mesh donde desea proyectar la imagen georreferenciada, haga clic en Imagen de drapeado > Importar imagen/…
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[Leapfrog] Trabajas la topografia desde DEM ("Digital Elevation Model") ?
Te gustaría conseguir una superficie mas compleja en área y resolución…? Puedes compilar y superponer diferentes superficies para robustecer tu topografía 😉 Pasos a seguir, 1.- Importar superficies topográficas (.dem) Carpeta Meshes → Import Mesh → Elevation Grid 2.- Realizar el "Merge" entre las diferentes superficies que…
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Latin America Day no PDAC
Segunda-feira dia 4 de março das 10h30 - 12h30 teremos o evento Um dia para América Latina no PDAC. Nosso stand servirá como um hub para insights e colaboração da mineração latino-americana. Este encontro exclusivo reunirá líderes da indústria, principais participantes das delegações do Brasil, Chile e Peru. O evento,…
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magnetizing field of the Earth of the last 48 hours
This is the magnetizing field of the Earth caused by internal and, in this case mainly external (solar storm) sources of the last 48 hours as recorded by the YKC observatory. This was massive and seems to have knocked down some power networks. I wonder what #MT crews are reporting from the field about their measured data…
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Enhanced Isostatic Gravity Reduction
Hi, all. I have found this little-known reduction very useful in continental-margin regions. Thought folks might want to know.
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New Province-Wide Potential-Field Coverage in Alberta
Good afternoon, all. The new Alberta aeromag and air gravity data are finally out. No job is my career has been more satisfying than remapping my province for easier exploration. I am glad if I was able to do some good.
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Chilean drone mag contractors
I won't name and shame them YET but I thought it important to give the SEGMIN community a heads up. I recently received a dataset which had data fields for TMI , grids including RTP and an MVI inversion. The images and inversion model did not look right and on checking the report I found that they had used a 3C fluxgate to…
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2025 Modern Applications of Geophysics (MAG25) Symposium
Hello everyone, We are starting preparations for our annual symposium on mineral geophysics case studies (MAG25) to be held in Perth WA on 20/11/2025. I know it's a long way away for most of you, but it is immediately after the renown two-day NewGenGold conference which is tipped to be a memorable one and may justify the…
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Horizontal Gradient Vector Mapping
I've been playing with vector mapping of the horizontal gradient for some time now. It can be quite revealing. Please see the attached map.
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IMAGE '25 Call for abstracts with DDL 25 March, 5pm (CT)
Dear Colleagues, We warmly invite and encourage you to submit your abstract to the MME session at IMAGE 2025. We look forward to your contributions! Abstract submission: https://image2025.abstractcentral.com/. More instructions: https://www.imageevent.org/call-for-abstracts.
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So many resources available on YouTube...
Dear all, I always like to refresh what was learned years ago. This is a beautiful high quality explanation about Divergence and curl: The language of Maxwell's equations, fluid flow, and more https://www.youtube.com/watch?v=rB83DpBJQsE By the way, I heard recently that "derivative is a calculation, and gradient is a…
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SEG webinar on drone EM geophysics next week Wednesday
Next week Wednesday, 12th March, Dr Johannes Stoll is giving an SEG webinar of drone EM geophysics that is certainly well worth listening to. It is at 8am EDT (we go onto Summer time this Sunday). The SEG announcement on LinkedIn is: As we move toward a CO2-net zero emission economy, the demand for natural resources is…
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sub-committee on physical rock properties
Dear all, does the Mining and Mineral Exploration (MME) committee have a sub-committee on physical rock properties? If there is no such a group, could we organize one? That is what will bring us closer to the Society of Economic Geologists. Otherwise, we will always be speaking two different languages. Regards, Sergio