Figure 4
From: GEOMAGIA50.v3: 2. A new paleomagnetic database for lake and marine sediments

Number of sediment studies documenting paleomagnetic field variations for some portion of the past 50 ka.
From: GEOMAGIA50.v3: 2. A new paleomagnetic database for lake and marine sediments
Number of sediment studies documenting paleomagnetic field variations for some portion of the past 50 ka.