*DA TRAM TICH

1,kN:la da dc hinh thanh do lang domg cac vat lieu tram tich nhu hat bui,sv,va cac thanh phan hh.o nhung noi dia

himh trung cua vo td.trong dk t* va p k cao va co su chi phoi cua the gioi sv.

2,tp da

+hat vun:-khoi(tang)>2dm,cuoi,soi-dam,san 2mm=>2dm,-cat,bot,set

+hh:Caco3,caso4,al(oh)3,Fe(OH)3,Fe2O3.nH2O,Mn(OH)2Kcl,Nacl..

+sv:san ho,thuc vat tao than,sinh vat sinh dau

3,CAU TAO DA

cau tao phan lop:song song,xien don,xien cheo,?

4,kien truc da tram tich:goi theo ten vat lieu ngoai tru nhom da hh

5,PHAQN LOAI

-po loai theo vi tri tao thanmh:chia lam 3 nhom

+tram tich bien:ven bo,bien nong,bien sau va bien tham

+tram tich luc dia:tram tich song,ho,dam lay,

++tram tich trung gian';(luc nguyen)vi tri lang dong o bien nhung vat lieu lai co nguon goc tu luc dia

-pl dua voa nguon goc vat lieu

+Hat vun:_vun nui lua:tuf>90%vl nui lua,tufit60%=>90%,tufogen30%=>60%.

+sinh vat:da voi,san ho,than ,phôtorit

+hoa hoc:sat,Mn,Si,AL...

+hon hop:it nhat co 2 loai nguopn goc tro len:set than...

6,DANG NAM CUA DA TRAM TICH

-the tang lop:gioi han boi hai be mat // tuong doi va be day kha on dinh.

-the nem:co chieu day nho dan ve mot phia,d trung cho tram tich song.tuong bai boi ven long

-the thau kinh:co be day giam dan tu trung tam ve cac phia, dac trung cho tram tich song ho,kieu bai boi giua long

7,THE NAM CUA DA TRAQM TICH:

a, goc phuong vi:cua mot duong thang la goc hop boi duong thang do voi nvec to chi bac theo chieu kim dong ho

duong thang @1,@2(@1>@2),doan thang la @.

-Duong phuong la giao tuyen cua duong phuong voi mat lop(@1-@2)

-Duong doc la duong nam tren mat lop va vuopng goc voi duong phuong

-Duong huong doc:la hinh chieu cua duong doc nen mat phang nam ngang(a)

-Góc doc:la goc hop boi duong doc va duong huong doc (b):(a/_b) duoc goi la the nam cua da tram tich