{"id":170,"date":"2017-10-05T14:00:21","date_gmt":"2017-10-05T14:00:21","guid":{"rendered":"https:\/\/www.macalester.edu\/160-geology\/keck\/"},"modified":"2026-03-03T14:24:16","modified_gmt":"2026-03-03T14:24:16","slug":"keck","status":"publish","type":"page","link":"https:\/\/www.macalester.edu\/geology\/facilities\/keck\/","title":{"rendered":"Keck Lab"},"content":{"rendered":"<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2015\/04\/resize_image.jpeg\" alt=\"SEM Chamber\" \/><\/figure>\n\n\n\n<p>The Keck Lab is a multi-room teaching and research facility that contains analytical equipment primarily acquired through NSF funding and through a grant from the Sherman Fairchild Foundation. There is a central teaching and sample preparation area surrounded by 6 rooms dedicated to a particular technology or preparation technique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Scheduling Instrument Time<\/h3>\n\n\n\n<p>To sign up for instrument time, email&nbsp;<a href=\"mailto:thole@macalester.edu\">Jeff Thole<\/a>&nbsp;with your preferred time.  You can check for equipment availability on the calendars linked below. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.google.com\/calendar\/hosted\/macalester.edu\/embed?src=macalester.edu_h77iookoq1csl4159gop8deatk@group.calendar.google.com&amp;ctz=America\/Chicago\">SEM Availability Calendar<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.google.com\/calendar\/hosted\/macalester.edu\/embed?src=macalester.edu_e7ibddb1kp4e61912vqpa8navg%40group.calendar.google.com&amp;ctz=America\/Chicago\">XRD Availability Calendar<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Analytical Equipment<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">PANalytical X\u2019Pert Pro MPD X-ray Diffractometer<\/h3>\n\n\n<section class=\"callout-video-player block-container\" >\n    <swiper-gallery v-once>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Panalytical-Xpert-Pro-scaled-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Panalytical-Xpert-Pro-scaled-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Panalytical-Xpert-Pro-scaled-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Panalytical-Xpert-Pro-scaled-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Panalytical-Xpert-Pro-scaled-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>PANalytical X&#8217;Pert Pro X-ray Diffractometer<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Chabazite-scan-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Chabazite-scan-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Chabazite-scan-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Chabazite-scan-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Chabazite-scan-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>X-ray diffraction pattern of the mineral chabazite<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t    <\/swiper-gallery>\n<\/section>\n\n\n\n<h3 class=\"wp-block-heading\">JEOL JSM-6610LV Scanning Electron Microscope with Oxford Instruments EDS and WDS X-ray detectors<\/h3>\n\n\n<section class=\"callout-video-player block-container\" >\n    <swiper-gallery v-once>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-Eye-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-Eye-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-Eye-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-Eye-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-Eye-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Secondary electron (SE) image of a butterfly eye<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/JEOL-6610-LV-scaled-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/JEOL-6610-LV-scaled-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/JEOL-6610-LV-scaled-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/JEOL-6610-LV-scaled-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/JEOL-6610-LV-scaled-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>JEOL JSM-6610LV Scanning Electron Microscope with Oxford Instruments EDS and WDS X-ray detectors<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Barite-EDS-Spectra-960x0-c-default.png\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Barite-EDS-Spectra-480x0-c-default.png     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Barite-EDS-Spectra-720x0-c-default.png     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Barite-EDS-Spectra-960x0-c-default.png     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Barite-EDS-Spectra-1280x0-c-default.png    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>EDS X-ray spectra of the mineral barite (BaSO4)<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/BSE-Image-960x0-c-default.png\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/BSE-Image-480x0-c-default.png     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/BSE-Image-720x0-c-default.png     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/BSE-Image-960x0-c-default.png     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/BSE-Image-1280x0-c-default.png    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Backscattered electron (BSE) image of a thin section of a rock<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-wing-scales-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-wing-scales-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-wing-scales-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-wing-scales-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Butterfly-wing-scales-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Secondary electron (SE) image of butterfly wing scales<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t    <\/swiper-gallery>\n<\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Bruker \u201cDimension Edge\u201d Atomic Force Microscope (AFM)<\/h3>\n\n\n<section class=\"callout-video-player block-container\" >\n    <swiper-gallery v-once>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-dimension-edge-AFM-scaled-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-dimension-edge-AFM-scaled-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-dimension-edge-AFM-scaled-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-dimension-edge-AFM-scaled-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-dimension-edge-AFM-scaled-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Brunker &#8220;Dimension Edge&#8221; Atomic Force Microscope (AFM)<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t    <\/swiper-gallery>\n<\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Bruker M4 Tornado Micro-XRF<\/h3>\n\n\n<section class=\"callout-video-player block-container\" >\n    <swiper-gallery v-once>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Si-Mn-Fe-Map-VC-01-11-191-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Si-Mn-Fe-Map-VC-01-11-191-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Si-Mn-Fe-Map-VC-01-11-191-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Si-Mn-Fe-Map-VC-01-11-191-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/Si-Mn-Fe-Map-VC-01-11-191-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Example scan of a sample of banded iron<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-M4-Tornado-scaled-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-M4-Tornado-scaled-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-M4-Tornado-scaled-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-M4-Tornado-scaled-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/bruker-M4-Tornado-scaled-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Brunker M4 Tornado Micro-XRF<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/SiCaFe-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/SiCaFe-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/SiCaFe-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/SiCaFe-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/SiCaFe-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Example MicroXRF Scan of Dragonstone concretion<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Ca_Ti_Ni-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Ca_Ti_Ni-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Ca_Ti_Ni-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Ca_Ti_Ni-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/02\/Ca_Ti_Ni-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Example MicroXRF Scan of Mn Nodule<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t    <\/swiper-gallery>\n<\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Canberra SEGE Gamma-ray spectrometer<\/h3>\n\n\n<section class=\"callout-video-player block-container\" >\n    <swiper-gallery v-once>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5809-scaled-960x0-c-default.jpeg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5809-scaled-480x0-c-default.jpeg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5809-scaled-720x0-c-default.jpeg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5809-scaled-960x0-c-default.jpeg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5809-scaled-1280x0-c-default.jpeg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Canberra SEGE Gamma-ray spectrometer<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5808-scaled-960x0-c-default.jpeg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5808-scaled-480x0-c-default.jpeg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5808-scaled-720x0-c-default.jpeg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5808-scaled-960x0-c-default.jpeg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_5808-scaled-1280x0-c-default.jpeg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Canberra SEGE Gamma-ray spectrometer<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t    <\/swiper-gallery>\n<\/section>\n\n\n\n<h3 class=\"wp-block-heading\">Leica EM ACE200 coating system (Au\/Pd and carbon)<\/h3>\n\n\n<section class=\"callout-video-player block-container\" >\n    <swiper-gallery v-once>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0722-scaled-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0722-scaled-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0722-scaled-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0722-scaled-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0722-scaled-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Leica EM ACE200 coating system<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t\t    <div class=\"swiper-slide\">\n\t\t<div class=\"swiper-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0721-scaled-960x0-c-default.jpg\" srcset=\"                    https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0721-scaled-480x0-c-default.jpg     480w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0721-scaled-720x0-c-default.jpg     720w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0721-scaled-960x0-c-default.jpg     960w,                     https:\/\/www.macalester.edu\/geology\/wp-content\/uploads\/sites\/597\/2026\/03\/IMG_0721-scaled-1280x0-c-default.jpg    1280w                    \">\n\t\t    \t            <div class=\"swiper-caption\">\n\t\t\t<span>Leica EM ACE200 coating system<\/span>\n\t\t\t<div class=\"swiper-caption-spacer\"><\/div>\n\t\t    <\/div>\n\t\t    \t\t<\/div>\n            <\/div>\n\t    <\/swiper-gallery>\n<\/section>\n\n\n<accordion-container\n    tag=\"section\"\n    class=\"accordion-group block-container\"\n    >\t\n\t<div class=\"accordion-group__outer\">\n\t    \t    <ul class=\"accordion-group__list\">\n\t        \t            <li class=\"accordion-group__list-item\">\n\t                <accordion-container-header\n\t                    tag=\"h3\"\n\t                    class=\"accordion-group__item-heading\"\n\t                >\n\t                    <accordion-container-header-button\n\t                        class=\"accordion-group__heading-button\"\n\t                        controls=\"accordion-group-1\"\n\t                        id=\"accordion-group-heading-button-1\"\n\t                    >\n\t                        <span class=\"accordion-group__button-text\">Sample preparation equipment:<\/span>\n\t                        <span class=\"accordion-group__icon-wrap\">\n\t                        \t<svg aria-hidden=\"true\" class=\"base-symbol accordion-group__button-icon\" viewbox=\"0 0 12 12\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n\t\t\t\t\t\t\t\t    <use xlink:href=\"\/wp-content\/themes\/macalester-2020\/dist\/svgs\/symbol-plus-small.svg#icon\"\/>\n\t\t\t\t\t\t\t\t<\/svg>\n\t                        <\/span>\n\t                    <\/accordion-container-header-button>\n\t                <\/accordion-container-header>\n\t                <accordion-container-panel\n\t                    id=\"accordion-group-1\"\n\t                    class=\"accordion-group__item-panel\"\n\t                >\n\t                    <div class=\"accordion-group__item-panel-inner\">\n\t                        <p><ul>\n<li>Analytical and pan balances<\/li>\n<li>High temperature ovens<\/li>\n<li>Frantz magnetic separators<\/li>\n<li>Retsch MM200 Mixer-mill<\/li>\n<\/ul><\/p>\n\t                    <\/div>\n\t                <\/accordion-container-panel>\n\t            <\/li>\n\t        \t    <\/ul>\n\t<\/div>\n<\/accordion-container>","protected":false},"excerpt":{"rendered":"<p>The Keck Lab is a multi-room teaching and research facility that contains analytical equipment primarily acquired through NSF funding and through a grant from the Sherman Fairchild Foundation. There is a central teaching and sample preparation area surrounded by 6 rooms dedicated to a particular technology or preparation technique. Scheduling Instrument Time To sign up [&hellip;]<\/p>","protected":false},"author":913,"featured_media":0,"parent":130,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-170","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/pages\/170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/users\/913"}],"replies":[{"embeddable":true,"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/comments?post=170"}],"version-history":[{"count":18,"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/pages\/170\/revisions"}],"predecessor-version":[{"id":2535,"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/pages\/170\/revisions\/2535"}],"up":[{"embeddable":true,"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/pages\/130"}],"wp:attachment":[{"href":"https:\/\/www.macalester.edu\/geology\/wp-json\/wp\/v2\/media?parent=170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}