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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 β€Ί M242 β€Ί MEH2 β€Ί M346 β€Ί L53 β€Ί 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 Β· 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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