header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 29 Jan 2023
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Tanxi
Basic information Name: Tanxi
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: Yes, confirmed fall
Year fell: 2022
Country: China
Mass:help 10.7 kg
Classification
  history:
Recommended:  H6    [explanation]

This is 1 of 6438 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 16 Jan 2023
Revised 20 Jan 2023: Updated mass
Writeuphelp
Writeup from MB 112:

Tanxi        29.63°N, 119.94°E

Zhejiang, China

Confirmed fall: 2022 Dec 15

Classification: Ordinary chondrite (H6)

History: On 15 Dec 2022, at 17:48 p.m. local time (UTC+8), numerous people from Hangzhou, Jinhua, Zhejiang Province, witnessed a bolide and sonic booms. The local residents of Tanxi town, Pujiang County, Jinhua City, recovered the first three pieces immediately (1.7 , 0.34, and 0.07 kg). Two palm-sized pits were created on the concrete floor. Ten more pieces (0.48, 0.42, 0.76, 0.69, 0.47, 1.39, 0.55, 0.95, 1.9, and 0.98 kg) were recovered beween16 December and 18 January 2023. The total mass is at least 10.7 kg.

Physical characteristics: partly covered by a black, shiny fusion crust

Petrography: The rock is highly recrystallized. Main minerals are olivine, pyroxene, plagioclase, kamacite, troilite. Several 0.4-1-mm-sized chondrule relicts are present. Plagioclase is up to 50 µm in size. Olivine shows sharp optical extinction

Geochemistry: olivine (Fa19.2-19.8, Fe/Mn=36-41, n=16), low-Ca pyroxene (Fs1.2-17.4Wo0.9-1.8, Fe/Mn=2-24, n=12), Ca-rich pyroxene (Fs6.7Wo46.0, Fe/Mn=14, n=1), plagioclase (An11.3-12.0Or3.9-6.4)

Classification: The texture and mineral composition are consistent with H6 chondrites.

Data from:
  MB112
  Table 0
  Line 0:
State/Prov/County:Zhejiang
Origin or pseudonym:Tanxi town, Pujiang County, Jinhua City
Date:2022 Dec 15
Latitude:29.63°N
Longitude:119.94°E
Mass (g):10700
Pieces:6
Class:H6
Shock stage:S1
Weathering grade:W0
Fayalite (mol%):19.5±0.2 (n=16)
Ferrosilite (mol%):17.1±0.3 (n=12); 6.7 (n=1)
Wollastonite (mol%):1.3±0.3 (n=12); 46.0 (n=1)
Classifier:Li Y.
Type spec mass (g):20
Type spec location:PMO
Main mass:Tanxi town, Pujiang County, Jinhua City
Finder:Chen Genhua, Gao Xiang, Feng Dezhao, and anonymous farmers
Comments:Submitted by Li Y.
Institutions
   and collections
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

China
Coordinates:
     Recommended::   (29° 37' 48"N, 119° 56' 24"E)

Statistics:
     This is 1 of 3 approved meteorites from Zhejiang, China
     This is 1 of 457 approved meteorites from China (plus 10 unapproved names) (plus 1 impact crater)
Proximity search:
Find nearby meteorites: enter search radius (km):

Direct link to this page