Welcome to the OSU Argon Geochronology Lab Protocols!

Starting Documents:

• Introduction
• Constructing Mineral Separation Recipes
• Safety Training

Mineral Separation

Recipes

• 1. Groundmass Basalt Separation
• 2. Plagioclase Basalt Separation
• 3. Cleaning Pre-prepared samples
• 4. Recipe Index
• 5. Sanadine Mineral Separation from Rhyolitic Basalts
• 6. Separation of Sanidine Crystals in Pumice/Dacite/Rhyolite

Methods

Archive:

• Short-term project archivel
• Archive Project in MGR
• Return Project to PI

Crush:

• Hammer Crush
• Large Jaw Crusher Method
• Large Jaw Crusher Method
• Small Jaw Crusher Method
• Crush with Mortar and Pestle

Leach:

• HF Leach
• HF Leach with a long ultrasonic bath
• Mild Leach
• Standard Acid Leaching Procedure

Pick:

• Picking Amphibole (incomplete)
• Picking Feldspar
• Picking Groundmass
• Picking Mica (incomplete)

Prepare:

• Prepare sample for thin section and XRF (incomplete)
• Petrographic Thin Sections: Prep and Submitting an order
• Prepare sample for XRF (incomplete)
• Processing Mineral Separtions From China
• Slab sample

Separate:

• Grain Mount Preperation for Sanidine
• Protocol Template
• Protocol Template
• Heavy Liquid
• Protocol Template
• Protocol Template
• Protocol Template
• Feldspar: Magnetic Separation
• Groundmass Magnetic Separation
• Mica: Magnetic Separation (incomplete)
• Paper Shake Method
• Separation of Sanidine Crystals in Pumice/Dacite/Rhyolite

Wash:

• Wash Sample Method

Cleanup:

• Mineral Sepaeration Lab Cleanup

Tasks

Tasks:

• Acid Preperation
• Heavy Liquid Calibration
• Heavy Liquid Cleanup
• Heavy Liquid Setup
• Pack samples for Irradiation
• Clean Large Jaw Crusher
• Operating the Large Jaw Crusher
• Clean Small Jaw Crusher
• Operating the Small Jaw Crusher
• Prepare Rock Saw
• Protocol for slabbing a sample
• Clean Sieves
• Sieving samples after crushing
• Sieving Method
• Progression Sieving and Crushing
• Shaking Sieves
• Sieving Method
• Progression Sieving and Crushing
• Shaking Sieves
• Setting up your work area for sieving
• Protocol Template
• ID
• Requires
• Description
• Procedure
• Summary
• Status
• Petrographic Thin Sections: Prep and Submitting an order
• Workspace Preperation

Mass Spectroscopy

Methods:

• ARGUS-VI F Tuning Settings
• ARGUS-VI G Tuning Settings
• Reset Baseline Levels to Zero
• CDD Cross Calibration
• Recover from complete Mass Spectometer Shutdown
• Compact and repair MS Access database for ArArExperiments and ArArCalc
• Recover from resetting USB on ARGUS-VI
• Recover from complete Mass Spectometer Shutdown
• Tray Cleaning
• Load Samples
• Load Tray

Recipes:

• Leak Testing on Mass Spectrometers
• Prepare Tray for Sample Analysis

Printer Setup

Printers:

• Install Zebra Printers on Lab Computers

Fieldwork Safety

Recipes

• 1. OSU Argon Lab Fieldwork Safety Plan Template