http://www.geolexmt.com/geophysics daily 0.75 2024-12-06 https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476900146610-0DJCXKO86BR3NPIQCBWF/image-asset.jpeg Geophysics Cy uses Geolex's proprietary magnetometer array to survey the North Helena hills. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476311368098-7B9WW5MZN8MJW7THRXIA/image-asset.jpeg Geophysics Abandoned septic drain field and pump station revealed by magnetic methods. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476915270319-F92EDHSQOXP4L4Q39DA4/image-asset.jpeg Geophysics Scott sets up the Trimble R10 base station and repeater for accurate GPS position control. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476914994612-L51DTYMM0D4PFEH8GKBP/P1020944.jpg Geophysics Aaron uses a 1600 MHz GPR antenna to scan a concrete retaining wall for rebar location. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1477432262179-PGVDCKNTAXC1NIK6UVDK/image-asset.jpeg Geophysics GPR profile shown by the convex-up reflection of an abandoned storm water sewer drain southwest of Helena, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476915104942-LC0JTNYMXZIK47TBRC22/image-asset.jpeg Geophysics 400 MHz GPR scan of parking lot to detect subsurface voids or cavities. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476998366520-DO7W4DBRO5UV01DRRZ2D/image-asset.jpeg Geophysics Joe creates seismic waves with a 12-lb sledgehammer, while Mike monitors data. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476809393927-BES9TGMED12FR265YNWJ/image-asset.jpeg Geophysics Seismic streamer of 96 geophones to record refracted energy waves from subsurface strata. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476386431318-USKE2AS8206SQS9XSKPH/image-asset.jpeg Geophysics Scott monitors the seismic response from the accelerated weight drop during a sapphire exploration project at El Dorado Bar, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476222780369-8F79VGKSYP44CMY09DWN/image-asset.jpeg Geophysics Cross-section of subsurface showing primary (compression) velocities. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476817250554-0JOTJFIQTG2141KBJWXM/image-asset.jpeg Geophysics 2D density contrast model from gravity survey showing apparent bedrock ridges south of Rocker, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476980925739-DWGFRV7DQLVZ6MPLY29Q/image-asset.jpeg Geophysics Map of conductive saline water shown in red from pipeline leak in northeastern Montana surveyed with the EM-31. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476903056219-QDQ64VAC9V33KBCHRZ6E/image-asset.jpeg Geophysics Cy and Mike setup the Ohm Mapper for a resistivity survey of groundwater salinity. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476998535581-ENJI7R4CUFAW3WJU02T7/image-asset.jpeg Geophysics Downhole geophysics (gamma, neutron, caliper, etc.) can be used to determine physical properties of rocks and groundwater contamination. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476905906254-CWQWTMELBY7CKBETDM2W/image-asset.jpeg Geophysics Joe and Mike conduct an apparent resistivity survey with the Ohm Mapper to determine soil conductivity. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476903756681-G5HVPO1TPTQH9PN4IRRB/image-asset.jpeg Geophysics The EM-61 used to conduct a time-domain electromagnetic pipeline survey. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1477415225869-RMW4U2LPWVN17NTSO3JR/image-asset.jpeg Geophysics Kim collects magnetic data in the Limestone Hills https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476384947783-M348IA672T6A2KNXZ2SM/image-asset.jpeg Geophysics Scott conducts a magnetic survey in the rugged terrain of the Limestone Hills, near Townsend, MT to locate UXO. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476806826978-BBR7FBGDMCM6STKS2L9Q/image-asset.jpeg Geophysics Magnetic field crew led by Mason Porter (M.S. Geophysics, Montana Tech) conducts a UXO survey in the North Helena Valley. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476825620644-B0PKEUOPAGCWHDZCZV7H/image-asset.jpeg Geophysics Composite map of 600 acre magnetic survey showing ferrous geology (red bands) relative to background magnetic field shown in blue. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476806598811-LLE6JXJOZON5J9GDGB4Q/image-asset.jpeg Geophysics Rob and Cy looking for high iron-content strata in the Limestone Hills near Townsend, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476810228486-H7QH00M3PZMF71WFTKGH/image-asset.jpeg Geophysics Big James Grimes braving a cold day with the magnetometer near Townsend, MT https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1477414602645-KC6GBCUQYFNVQSW4Z7S2/image-asset.jpeg Geophysics 3D rendering of magnetic data of a 25m x 25m area, the large spike at the right indicates a strong dipole and a likely UXO target. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476294298844-5ZYSF4HLYJ51CP5M89GT/image-asset.jpeg Geophysics Haul trucks transport high grade ore to the mill at Golden Sunlight Mine, Whitehall, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476981724627-8VYR4T0G1RSPQ0CXGMZ6/image-asset.jpeg Geophysics Open pit at Golden Sunlight Mine, Whitehall, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476998052881-SLQ1D6JZ2NXLYWHLXU9J/image-asset.jpeg Geophysics High-grade gold ore near Mike Horse Mine east of Lincoln, MT. http://www.geolexmt.com/geology daily 0.75 2017-03-27 https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476997297911-3ISSJRGJ5X9L8SUQD580/image-asset.jpeg Geology The Madison Slide and Quake Lake south of Ennis, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476218828924-T6FU5E0S2X0778WMQP76/willow.jpg Geology Willows help stabilize a cut bank on the Two Medicine River east of Glacier National Park https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476219417720-H5TAGU4GDZZBTOT90890/image-asset.jpeg Geology Channel incision during spring runoff on Tom Miner Creek north of Gardiner, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476996445061-O3YHW8B0OVJ3F17AKPFN/image-asset.jpeg Geology Tertiary volcanics make up Pipe Organ Rock south of Dillon, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476997507864-9NTJ2QIUKCUG8A5YDQGN/P1020354.jpg Geology Cretaceous syenite outcrops on the southwest slopes of the Crazy Mountains near Clyde Park, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476987706973-6H00VHZUZ59B53AIUFHV/P1000633_edited-1.jpg Geology Structural mapping with combined resistivity and GPR to determine extent of exposed coal beds north of Thermopolis, WY. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476823118971-D3AYMXZGGEXGBWHCKL53/image-asset.jpeg Geology Oligocene basalt pipes (red) intrude the Spokane formation in the North Helena Valley, as revealed by magnetic surveys. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476988714158-JEW1EDAZLXW1PM7A09CD/image-asset.jpeg Geology Mississippian Mission Canyon formation displays prominent limestone cliffs along the Missouri River near Toston, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476823092507-HB0P3ZHIFUX7NB6TYV3G/image-asset.jpeg Geology Erosion reveals subsurface strata in the Eastern Montana badlands. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476995539019-U3FAH824KTUP2QIAREIV/image-asset.jpeg Geology The Empire formation of Going-to-the-Sun Mountain contrasts with the red Grinnell formation of Red Eagle Mountain in Glacier National Park. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476915325837-LSH0Y9GKE4S3X6QEX7DX/image-asset.jpeg Geology Drillers install wells for aquifer characterization and mapping west of Helena, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1477000753084-OS9RJRGR6VSFUVITJTYX/image-asset.jpeg Geology Scott reservoir and nearby wetlands high in the hills above Rimini, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476221313896-Y7GAU6IY8QD1AURUTW7U/image-asset.jpeg Geology State Capitol Complex, Helena. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476310424445-CN7FIZP7F00VP1CIR6IN/image-asset.jpeg Geology REC Silicon plant in Silver Bow, Montana from ~300ft. http://www.geolexmt.com/helena-geo daily 0.75 2024-12-06 https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476988994123-QNK70U9JDUMMJ7KOXDJ9/image-asset.jpeg Helena Area Geology Silty spring runoff from the Dearborn River enters the Missouri River in the Adel Mountains near Craig, MT. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476396137798-C4AL24H5U5LCRVWE27CT/image-asset.jpeg Helena Area Geology Geologic formations of the surrounding Helena area. https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476989127893-VEXN28J65P3MIEVMMM3D/image-asset.jpeg Helena Area Geology Numerous folds exposed in the Madison Group limestone along Holter Lake. http://www.geolexmt.com/home-1 daily 1.0 2018-03-07 https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1520449028964-9DU2V135WA9P9JU76SHO/IMG_0865.jpg Home https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1520449124509-AHQCAJMUAWVUSWUFBL53/IMG_0863.jpg Home https://images.squarespace-cdn.com/content/v1/57fbf2dd2994ca6a7918daa1/1476475436848-RVSG2N34ZFESPO1H48KO/image-asset.jpeg Home Magnetic survey conducted near Townsend, MT. http://www.geolexmt.com/contact daily 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