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Sample Information

I2706
I2706
USA_CA_LHolocene_Barbareno_Chumash
1329 AD
M
USA
-
CA-SRI-2B (California, Santa Rosa Island, Skull Gulch)

Haplogroups

Q1b1a
A2
Q M242 MEH2 M346 L53 L54
1277-1391 calCE (675±30 BP, Poz-83445)

Ancestry Components

Estimated ancestral proportions from ancient reference populations
Native American
95.6%
East Asian
4.4%

Publication

NakatsukaNature2023; NakatsukaReichNature2023

G25 Coordinates

Download the G25 scaled coordinates for this sample to use in calculators like GEDmatch, Vahaduo, or our own calculators.

Download G25 (.txt)

G25 Ancestry Model Cached

Average · Distance: 0.0292

Model based on Davidski's G25 standard reference populations (nMonte-style optimization).

BRA_LapaDoSanto 96.7%
Han 2.4%
Nganassan 0.9%

Ancient Population Distances

Closest ancient reference populations
USA_Island_Chumash_SanMiguel
0.0260
USA_Lovelock_Cave_1850BP
0.0281
CHL_Yamana_1000BP
0.0291
USA_San_Catalina_Island
0.0295
USA_Island_Chumash_SanCruz
0.0296
BLZ_MayahakCabPek_9300BP
0.0298
USA_Lovelock_Cave_600BP
0.0304
ARG_Fuego_Patagonian
0.0306
USA_Mainland_Chumash
0.0315
USA_San_Nicolas_E
0.0322
ARG_Selknam_500BP
0.0323
ARG_LagunaChica_6800BP
0.0329
USA_San_Nicolas_L
0.0335
ARG_ArroyoSeco2_7700BP
0.0336
BRA_LapaDoSanto_9600BP
0.0338

Modern Population Genetic Proximity

Heatmap based on G25 Euclidean distance to 3,000+ modern populations

Archaeological Site Location

34.0019, -120.1925

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