The GEOMAGIA database

Archeomagnetic and volcanic query form

Sediment query form

Complete sediment data sets

Glossary of IDs

Available global models

Available archeomagnetic and volcanic studies

Available sediment studies

Map of sediment locations

Links to other paleomagnetic databases

Funded by:

SPP 1488

Data Protection Declaration

Archeomagnetic and Volcanic Query Form

Query, Plot, Visualize:

	Query, Calculate	Plot curve		Select data types to output:
Data:				All Intensities Directions
Error Bars:				Intensity (Ba) VADM
Current models:				I delta I
ARCH3k.1:
ARCH10k.1:				Select material type:
ARCH-UK.1:				All Archeological Volcanic
CALS3k.4:
CALS10k.1b:				Dating constraints:
CALS10k.2:				None
SED3k.1:				No archeo/pmag dating
pfm9k.1a:				Archeo/pmag dated
HFM.OL1.AL1:
Model error bars:

+ General Constraints (click to open)

Material:

Amphora	Archeological ashes	Baked clay	Baked mud
Baked rock	Bath	Bell mould	Brick
Burnt castle wall	Burnt Daub	Burnt earth	Burnt floor
Burnt pit	Burnt sediment	Burnt structure	Ceramic
Charcoal pile	Chert	Drying Pit or Area	Fireplace
Foundry	Fresco	Funeral pyre	Furnace
Granite	Hangi Stone	Hypocaust	Kamadogu
Kiln	Lava	Mixed archeological objects	Mosaic
Mural	Obsidian	Other or undefined volcanic	Oven or hearth
Pit house	Pit structure	Porcelain	Pottery
Praefurnium	Roasting Pit	Room	Salt kiln
Sauna	Slag	Smoking chamber	Soil
Speleothem	Stamped jar handle	Sun dried object	Tile
Tuyere	Unbaked sediment	Vitrified material	Vitrified stone
Volcanic ash deposit	Volcanic Glass	Wall

Paleointensity method (click here for an explanation of the method codes):

DB-MSP	DB-MSP-DSC	MWAVE-AITKEN	MWAVE-COE
MWAVE-IZZI	MWAVE-PERP	MWAVE-QP	MWAVE-TT-CLASSICAL
MWAVE-WALTON	SHAW-95	SHAW-DHT	SHAW-KONO
SHAW-LTD-DHT	SHAW-ORIGINAL	SHAW-ROLPH	T-QUASI-PERP
TRIAXE	TT-2-Specimen	TT-AITKEN	TT-CLASSICAL
TT-COE	TT-IZZI	TT-MT4	TT-OTHER
TT-PSEUDO-CAL	TT-WALTON	VAN_ZIJL	WILSON

Paleointensity alteration checks:

Fabian and Leonhardt MSP assessment	Other corrections	pTRM check	Rolph and Shaw
Susceptibility monitoring	Tanguy	Triaxe linearity test	Walton

Paleointensity multidomain (MD) checks:

Kosareva et al. (2020) equality of (un)blocking temperature test

Low T demagnetization

pTRM tail check

Triaxe exeperimental mitigation

Paleointensity cooling rate correction:

Cooling rate experiment

Cooling rate guessed

Kosareva et al. (2020) calculation

Paleointensity anisotropy correction:

ARM tensor	IRM tensor	NRM parallel to Blab	Other Anisotropy correction
Susceptibility tensor	TRM tensor	TRM tensor calculated, but not applied

Dating method (click here for an explanation of the method codes):

226Ra	3He	Ar-Ar	Archeo-Pmag.
Archeol.	C-14 acc. mass spectr.	Calibr. C-14	Dendrochronol.
Fission tracks	Geol. Est.	Hist.	K-Ar
OHD	Opt. lumin.	Ra-Th	Rehydrox.
Rel. chronol.	Stratigr.	Tephrochronol.	TL
U-Th	Uncalibr. C-14

Specimen type:

Large sample method	Mini-core or mini-cube or chip	Single crystal	Standard cubes
Standard cylinders

Site Statistics:

Number of accepted paleointensity specimens ≥

σ_Ba ≤ µT

Number of directional specimens ≥

α₉₅ ≤ °

σ_age ≤ ± years

Age constraints:

None

Age between AD and AD

Age < AD

Age > AD

Geographic constraints:

None

Region/Country:

Region/Country:

Location:

Location:

Custom:

Latitude between °N and °N

Longitude between °E and °E

Calculate the model curves:

At:

Using:

Geographic constraint specified above

Using all coefficients (L_max = 10)

Or enter coordinates of your choice:

Using the GAD coefficient only (g₁⁰)

Lat: °N Lon: °E

Using the dipole coefficients (g₁⁰, g₁¹ & h₁¹)

Abridged or detailed output:

Abridged

Detailed

University of Fribourg

Scripps Institution of Oceanography

University of Helsinki

University of Liverpool

Contact: Maxwell Brown | 17th June 2020 | University of Minnesota